JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank

done VSEPR theory Total Questions - 45

• question_answer1)
  The structure of \[{{\left[ Cu\,{{\left( {{H}_{2}}O \right)}_{4}} \right]}^{++}}\] ion is [NCERT 1983; MP PMT 1983]
  A)
                  Square planar    done clear
  B)
                  Tetrahedral done clear
  C)
                  Distorted rectangle         done clear
  D)
                  Octahedral done clear
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• question_answer2)
  The bond angle in \[P{{H}_{3}}\]would be expected to be close to
  A)
                  \[{{90}^{o}}\]     done clear
  B)
                  \[{{105}^{o}}\] done clear
  C)
                  \[{{109}^{o}}\]  done clear
  D)
                  \[{{120}^{o}}\] done clear
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• question_answer3)
  In which molecule are all atoms coplanar              [MP PMT 1994]
  A)
                  \[O_{2}^{+}\]    done clear
  B)
                  \[B{{F}_{3}}\] done clear
  C)
                  \[P{{F}_{3}}\]     done clear
  D)
                  \[N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer4)
  Which has the least bond angle                 [NCERT 1973;                                                                         DPMT 1990; CBSE PMT 1990; UPSEAT 2003]
  A)
                  \[N{{H}_{3}}\]   done clear
  B)
                  \[Be{{F}_{2}}\] done clear
  C)
                  \[{{H}_{2}}O\]   done clear
  D)
                  \[C{{H}_{4}}\] done clear
  View Solution play_arrow

• question_answer5)
  In compound \[X\], all the bond angles are exactly \[{{109}^{o}}28',\,\,X\] is                                        [CBSE PMT 1991]
  A)
                  Chloromethane                done clear
  B)
                  Iodoform done clear
  C)
                  Carbon tetrachloride      done clear
  D)
                  Chloroform done clear
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• question_answer6)
  The shape of \[SO_{4}^{2-}\]ion is                                                 [CPMT 1982; DPMT 1983, 84, 96; Bihar MEE 1997]
  A)
                  Square planar    done clear
  B)
                  Tetrahedral done clear
  C)
                  Trigonal bipyramidal       done clear
  D)
                  Hexagonal done clear
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• question_answer7)
  Which of the following molecules has one lone pair of electrons on the central atom [EAMCET 1980; AMU 1982; MNR 1989]
  A)
                  \[{{H}_{2}}O\]   done clear
  B)
                  \[N{{H}_{3}}\] done clear
  C)
                  \[C{{H}_{4}}\]    done clear
  D)
                  \[PC{{l}_{5}}\] done clear
  View Solution play_arrow

• question_answer8)
  Of the following compounds, the one having a linear structure is              [NCERT 1981; CPMT 1991; DPMT 1982; MP PMT 1985; AIIMS 1996]
  A)
                  \[N{{H}_{2}}\]   done clear
  B)
                  \[C{{H}_{4}}\] done clear
  C)
                  \[{{C}_{2}}{{H}_{2}}\] done clear
  D)
                  \[{{H}_{2}}O\] done clear
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• question_answer9)
  \[Xe{{F}_{6}}\] is
  A)
                  Octahedral          done clear
  B)
                  Distorted octahedral done clear
  C)
                  Planar   done clear
  D)
                  Tetrahedral done clear
  View Solution play_arrow

• question_answer10)
  Which has maximum bond angle                              [CPMT 1993]
  A)
                  \[CH{{F}_{3}}\] done clear
  B)
                  \[CHC{{l}_{3}}\] done clear
  C)
                  \[CHB{{r}_{3}}\] done clear
  D)
                  All have maximum bond angle done clear
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• question_answer11)
  Of the following species the one having a square planar structure is                               [NCERT 1981; MP PMT 1994]
  A)
                  \[NH_{4}^{+}\] done clear
  B)
                  \[BF_{4}^{-}\] done clear
  C)
                  \[Xe{{F}_{4}}\]  done clear
  D)
                  \[SC{{l}_{4}}\] done clear
  View Solution play_arrow

• question_answer12)
  In which of the following is the angle between the two covalent bonds greatest [NCERT 1975; AMU 1982; MNR 1987; IIT 1981; CPMT 1988; MP PMT 1994]
  A)
                  \[C{{O}_{2}}\]    done clear
  B)
                  \[C{{H}_{4}}\] done clear
  C)
                  \[N{{H}_{3}}\]   done clear
  D)
                  \[{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer13)
  As the s-character of hybridized orbital decreases, the bond angle                                           [DPMT 1986]
  A)
                  Decreases           done clear
  B)
                  Increases done clear
  C)
                  Does not change              done clear
  D)
                  Becomes zero done clear
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• question_answer14)
  \[Xe{{F}_{2}}\] molecule is                                          [BHU 1982]
  A)
                  Linear    done clear
  B)
                  Triangular planar done clear
  C)
                  Pyramidal            done clear
  D)
                  Square planar done clear
  View Solution play_arrow

• question_answer15)
  Of the following sets which one does NOT contain isoelectronic species                [AIEEE 2005]
  A)
                  \[PO_{4}^{3-},\,SO_{4}^{2-},\,ClO_{4}^{-}\]        done clear
  B)
                  \[C{{N}^{-}},\,{{N}_{2}},\,C_{2}^{2-}\] done clear
  C)
                  \[SO_{3}^{2-},\,CO_{3}^{2-},\,NO_{3}^{-}\]        done clear
  D)
                  \[BO_{3}^{3-},\,CO_{3}^{2-},\,NO_{3}^{-}\] done clear
  View Solution play_arrow

• question_answer16)
  A molecule which contains unpaired electrons is [NCERT 1982]
  A)
                  Carbon monoxide            done clear
  B)
                  Molecular nitrogen done clear
  C)
                  Molecular oxygen            done clear
  D)
                  Hydrogen peroxide done clear
  View Solution play_arrow

• question_answer17)
  \[{{H}_{2}}O\]is                                                [MADT Bihar 1983]
  A)
                  A linear triatomic molecule done clear
  B)
                  A bent (angular) triatomic molecule done clear
  C)
                  Both of these    done clear
  D)
                  None of these done clear
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• question_answer18)
  Bond angle between two hybrid orbitals is \[{{105}^{o}}.%\] s-orbital character of hybrid orbital is                 [MP PMT 1986]
  A)
                  Between \[20-21%\]      done clear
  B)
                  Between \[19-20%\] done clear
  C)
                  Between \[21-22%\]      done clear
  D)
                  Between \[22-23%\] done clear
  View Solution play_arrow

• question_answer19)
  The bond angle between \[{{N}_{x}}\] in ice is closest to               [CPMT 1989; UPSEAT 2002]
  A)
                  \[{{120}^{o}}28'\]             done clear
  B)
                  \[{{60}^{o}}\] done clear
  C)
                  \[{{90}^{o}}\]     done clear
  D)
                  \[{{105}^{o}}\] done clear
  View Solution play_arrow

• question_answer20)
  Which of the following molecules does not have a linear arrangement of atoms                                                [CBSE PMT 1989]
  A)
                  \[{{H}_{2}}S\]    done clear
  B)
                  \[{{C}_{2}}{{H}_{2}}\] done clear
  C)
                  \[Be{{H}_{2}}\] done clear
  D)
                  \[C{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer21)
  \[BC{{l}_{3}}\]is a planar molecule while \[NC{{l}_{3}}\] is pyramidal, because                                     [CBSE PMT 1995]
  A)
                  \[BC{{l}_{3}}\]has no lone pair of electrons but \[NC{{l}_{3}}\]has a lone pair of electrons done clear
  B)
                  \[B-Cl\] bond is more polar than \[N-Cl\] bond done clear
  C)
                  Nitrogen atom is smaller than boron atom done clear
  D)
                  \[N-Cl\] bond is more covalent than \[B-Cl\] bond done clear
  View Solution play_arrow

• question_answer22)
  The isoelectronic pair is                 [AIIMS 2005]
  A)
                  \[C{{l}_{2}}O,\ ICl_{2}^{-}\]         done clear
  B)
                  \[ICl_{2}^{-},Cl{{O}_{2}}\ \] done clear
  C)
                  \[IF_{2}^{+},\ I_{3}^{-}\]              done clear
  D)
                  \[ClO_{2}^{-},\ CIF_{2}^{+}\] done clear
  View Solution play_arrow

• question_answer23)
  According to VSEPR theory, the most probable shape of the molecule having 4 electron pairs in the outer shell of the central atom is                                  [MP PET 1996, 2001]
  A)
                  Linear    done clear
  B)
                  Tetrahedral done clear
  C)
                  Hexahedral         done clear
  D)
                  Octahedral done clear
  View Solution play_arrow

• question_answer24)
  The molecular shapes of \[S{{F}_{4}},\,C{{F}_{4}}\] and \[Xe{{F}_{4}}\] are [AIEEE 2005]
  A)
                  The same with 2, 0 and 1 lone pairs of electrons on the central atom, respectively done clear
  B)
                  The same with 1, 1 and 1 lone pair of electrons on the central atoms, respectively done clear
  C)
                  Different with 0, 1 and 2 lone pairs of electrons on the central atom, respectively done clear
  D)
                  Different with 1, 0 and 2 lone pairs of electrons on the central atom, respectively done clear
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• question_answer25)
  Which of the following species is planar [JIPMER 1997]
  A)
                  \[CO_{3}^{2-}\]                done clear
  B)
                  \[N{{H}_{2}}\] done clear
  C)
                  \[PC{{l}_{3}}\]   done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer26)
  The shape of \[CH_{3}^{+}\] species is   [RPET 1999]
  A)
                  Tetrahedral        done clear
  B)
                  Square planar done clear
  C)
                  Trigonal planar  done clear
  D)
                  Linear done clear
  View Solution play_arrow

• question_answer27)
  Which of the following is the correct reducing order of bond-angle                                          [BHU 2000]
  A)
                  \[N{{H}_{3}}<C{{H}_{4}}<{{C}_{2}}{{H}_{2}}<{{H}_{2}}O\] done clear
  B)
                  \[{{C}_{2}}{{H}_{2}}>N{{H}_{3}}>{{H}_{2}}O<C{{H}_{4}}\] done clear
  C)
                  \[N{{H}_{3}}>{{H}_{2}}O>C{{H}_{4}}<{{C}_{2}}{{H}_{2}}\] done clear
  D)
                  \[{{H}_{2}}O<N{{H}_{3}}>C{{H}_{4}}<{{C}_{2}}{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer28)
  Which compound has bond angle nearly to \[90{}^\circ \]                                 [Pb. PMT 2001]
  A)
                  \[{{H}_{2}}O\]   done clear
  B)
                  \[{{H}_{2}}S\] done clear
  C)
                  \[N{{H}_{3}}\]   done clear
  D)
                  \[C{{H}_{4}}\] done clear
  View Solution play_arrow

• question_answer29)
  A lone pair of electrons in an atom implies           [KCET 2002]
  A)
                  A pair of valence electrons not involved in bonding done clear
  B)
                          A pair of electrons involved in bonding done clear
  C)
                  A pair of electrons done clear
  D)
                  A pair of valence electrons done clear
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• question_answer30)
  The bond angle of water is \[{{104.5}^{o}}\]due to           [CPMT 2002]                                                                                                                                                                                                                                   
  A)
                  Repulsion between lone pair and bond pair done clear
  B)
                  \[s{{p}^{3}}\] hybridization of O done clear
  C)
                  Bonding of \[{{H}_{2}}O\]            done clear
  D)
                  Higher electronegativity of O done clear
  View Solution play_arrow

• question_answer31)
  The correct sequence of decrease in the bond angle of the following hybrides is               [MP PET 2002]
  A)
                  \[N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\] done clear
  B)
                          \[N{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>Sb{{H}_{3}}\] done clear
  C)
                  \[Sb{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>N{{H}_{3}}\] done clear
  D)
                  \[P{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer32)
  Central atom of the following compound has one lone pair of electrons and three bond pairs of electrons [JIPMER 2002]
  A)
                  \[{{H}_{2}}S\]    done clear
  B)
                          \[AlC{{l}_{3}}\] done clear
  C)
                  \[N{{H}_{3}}\]   done clear
  D)
                  \[B{{F}_{3}}\] done clear
  View Solution play_arrow

• question_answer33)
  Among \[K{{O}_{2}},\,AlO_{2}^{-},\,Ba{{O}_{2}}\] and \[NO_{2}^{+}\] unpaired electron is present in                                    [MP PET 2003]
  A)
                  \[NO_{2}^{+}\]  and \[Ba{{O}_{2}}\]        done clear
  B)
                          \[K{{O}_{2}}\]and\[AlO_{2}^{-}\] done clear
  C)
                  \[K{{O}_{2}}\] only          done clear
  D)
                  \[Ba{{O}_{2}}\]only done clear
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• question_answer34)
  True order of bond angle is         [RPET 2003]
  A)
                  \[{{H}_{2}}O>{{H}_{2}}S>{{H}_{2}}Se>{{H}_{2}}Te\] done clear
  B)
                          \[{{H}_{2}}Te>{{H}_{2}}Se>{{H}_{2}}S>{{H}_{2}}O\] done clear
  C)
                  \[{{H}_{2}}S>{{H}_{2}}O>{{H}_{2}}Se>{{H}_{2}}Te\] done clear
  D)
                  \[{{H}_{2}}O>{{H}_{2}}S>{{H}_{2}}Te>{{H}_{2}}Se\] done clear
  View Solution play_arrow

• question_answer35)
  Which of the following has not a lone pair over the central atom                                               [Orissa JEE  2003]
  A)
                  \[N{{H}_{3}}\]   done clear
  B)
                          \[P{{H}_{3}}\] done clear
  C)
                  \[B{{F}_{3}}\]     done clear
  D)
                  \[PC{{l}_{3}}\] done clear
  View Solution play_arrow

• question_answer36)
  In \[Br{{F}_{3}}\] molecule,the lone pairs occupy equatorial positions to minimize                            [CBSE PMT 2004]
  A)
                  Lone pair- lone pair repuilsion and lone pair-bond pair repulsion done clear
  B)
                  Lone pair- lone pair repulsion only   done clear
  C)
                  Lone pair- bond pair repulsion only done clear
  D)
                  Bond pair- bond pair repulsion only done clear
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• question_answer37)
  \[{{H}_{2}}O\]is dipolar, whereas \[Be{{F}_{2}}\]is not. It is because   [CBSE PMT 1989; 2004]
  A)
                  \[{{H}_{2}}O\]is linear and \[Be{{F}_{2}}\] is angular        done clear
  B)
                  \[{{H}_{2}}O\]is angular and \[Be{{F}_{2}}\] is linear done clear
  C)
                  The electornegativity of F is greater than that of O done clear
  D)
                  \[{{H}_{2}}O\]involves hydrogen bonding whereas \[Be{{F}_{2}}\]is a discrete molecule done clear
  View Solution play_arrow

• question_answer38)
  Maximum bond angle is present in          [BVP 2004]
  A)
                  \[BC{{l}_{3}}\]   done clear
  B)
                  \[BB{{r}_{3}}\] done clear
  C)
                  \[B{{F}_{3}}\]     done clear
  D)
                  Same for all done clear
  View Solution play_arrow

• question_answer39)
  The shape of a molecule of \[N{{H}_{3}}\], in which central atoms contains lone pair of electron, is           [MHCET  2003]
  A)
                  Tetrahedral        done clear
  B)
                  Planar trigonal done clear
  C)
                  Square planar    done clear
  D)
                  Pyramidal done clear
  View Solution play_arrow

• question_answer40)
  The largest bond angle is in         [DCE 2002; MNR 1984]
  A)
                  \[As{{H}_{3}}\]  done clear
  B)
                  \[N{{H}_{3}}\] done clear
  C)
                  \[{{H}_{2}}O\]   done clear
  D)
                  \[P{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer41)
  The bond angle in ammonia molecule is                [EAMCET 1980]
  A)
                  \[{{91}^{o}}{8}'\]              done clear
  B)
                  \[{{93}^{o}}3'\] done clear
  C)
                  \[{{106}^{o}}45'\]             done clear
  D)
                  \[{{109}^{o}}28'\] done clear
  View Solution play_arrow

• question_answer42)
  Which of the following gives correct arrangement of compounds involved based on their bond strength  [BHU 2005]
  A)
                  HF > HCl > HBr > HI done clear
  B)
                  HI > HBr > HCl > HF done clear
  C)
                  HF > HBr > HCl > HI done clear
  D)
                  HCl > HF > HBr > HI done clear
  View Solution play_arrow

• question_answer43)
  Which one has a pyramidal structure      [CBSE PMT 1990]
  A)
                  \[C{{H}_{4}}\]    done clear
  B)
                  \[N{{H}_{3}}\] done clear
  C)
                  \[{{H}_{2}}O\]   done clear
  D)
                  \[C{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer44)
  Among the following the pair in which the two species are not isostructural is     [CBSE PMT 2004]
  A)
                  \[BH_{4}^{-}\] and \[NH_{4}^{+}\]           done clear
  B)
                  \[PF_{6}^{-}\]and \[S{{F}_{6}}\] done clear
  C)
                  \[Si{{F}_{4}}\] and \[S{{F}_{4}}\]               done clear
  D)
                  \[IO_{3}^{-}\] and \[Xe{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer45)
  The maximum number of 90° angles between bond pair-bond pair of electrons is observed in    [AIEEE 2004]
  A)
                  \[ds{{p}^{2}}\]hybridization        done clear
  B)
                  \[s{{p}^{3}}d\]hybridization done clear
  C)
                  \[ds{{p}^{3}}\]hybridization        done clear
  D)
                  \[s{{p}^{3}}{{d}^{2}}\]hybridization done clear
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