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

done Co-ordinate or Dative bonding Total Questions - 15

• question_answer1)
  Which species has the maximum number of lone pair of electrons on the central atom?                [IIT 2005]
  A)
                  [ClO3]-  done clear
  B)
                  XeF4 done clear
  C)
                  SF4               done clear
  D)
                  [I3]- done clear
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• question_answer2)
  A simple example of a coordinate covalent bond is exhibited by                                [NCERT 1984]
  A)
                  \[{{C}_{2}}{{H}_{2}}\]     done clear
  B)
                  \[{{H}_{2}}S{{O}_{4}}\] done clear
  C)
                  \[{{H}_{2}}O\]   done clear
  D)
                  \[HCl\] done clear
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• question_answer3)
  The bond that exists between \[N{{H}_{3}}\] and \[B{{F}_{3}}\]is called                 [AFMC 1982; MP PMT 1985; MNR 1994; KCET 2000; MP PET 2001; UPSEAT 2001]
  A)
                  Electrovalent     done clear
  B)
                  Covalent done clear
  C)
                  Coordinate         done clear
  D)
                  Hydrogen done clear
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• question_answer4)
  Which of the following does not have a coordinate bond [MADT Bihar 1984]
  A)
                  \[S{{O}_{2}}\]    done clear
  B)
                  \[HN{{O}_{3}}\] done clear
  C)
                  \[{{H}_{2}}S{{O}_{3}}\]  done clear
  D)
                  \[HN{{O}_{2}}\] done clear
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• question_answer5)
  Coordinate covalent compounds are formed by [CPMT 1990, 94]
  A)
                  Transfer of electrons      done clear
  B)
                  Sharing of electrons done clear
  C)
                  Donation of electrons    done clear
  D)
                  None of these process done clear
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• question_answer6)
  In the coordinate valency             [CPMT 1989]
  A)
                  Electrons are equally shared by the atoms done clear
  B)
                  Electrons of one atom are shared with two atoms done clear
  C)
                  Hydrogen bond is formed done clear
  D)
                  None of the above done clear
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• question_answer7)
  Which of the following contains a coordinate covalent bond        [MNR 1990; IIT 1986]
  A)
                  \[{{N}_{2}}{{O}_{5}}\]    done clear
  B)
                  \[BaC{{l}_{2}}\] done clear
  C)
                  \[HCl\]  done clear
  D)
                  \[{{H}_{2}}O\] done clear
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• question_answer8)
  A coordinate bond is formed when an atom in a molecule has                    [CBSE PMT 1992]
  A)
                  Electric charge on it         done clear
  B)
                  All its valency electrons shared done clear
  C)
                  A single unshared electron          done clear
  D)
                  One or more unshared electron pair done clear
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• question_answer9)
  Which has a coordinate bond     [RPMT 1997]
  A)
                  \[SO_{3}^{2-}\] done clear
  B)
                  \[C{{H}_{4}}\] done clear
  C)
                  \[C{{O}_{2}}\]    done clear
  D)
                  \[N{{H}_{3}}\] done clear
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• question_answer10)
  The compound containing co-ordinate bond is [AFMC 1999; Pb. CET 2002]
  A)
                  \[{{O}_{3}}\]      done clear
  B)
                  \[S{{O}_{3}}\] done clear
  C)
                  \[{{H}_{2}}S{{O}_{4}}\]  done clear
  D)
                  All of these done clear
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• question_answer11)
  The number of dative bonds in sulphuric acid molecules is                                                 [MP PET 2002]
  A)
                  0              done clear
  B)
                          1 done clear
  C)
                  2              done clear
  D)
                  4 done clear
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• question_answer12)
  Which of the following compounds has coordinate (dative) bond                                              [RPET 2003]
  A)
                  \[C{{H}_{3}}NC\]              done clear
  B)
                  \[C{{H}_{3}}OH\] done clear
  C)
                  \[C{{H}_{3}}Cl\]                done clear
  D)
                  \[N{{H}_{3}}\] done clear
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• question_answer13)
  The structure of orthophosphoric acid is               [KCET 2003]
  A)
                  \[H-O-\overset{\,O\,}{\mathop{\underset{H}{\mathop{\underset{|\,}{\mathop{\underset{\,O\,}{\mathop{\underset{|\,}{\overset{\uparrow \,}{\mathop{P}}}\,}}\,}}\,}}\,}}\,-O-H\]   done clear
  B)
                  \[O\leftarrow \underset{\,H\,}{\mathop{\underset{|\,}{\mathop{\underset{\,O\,}{\overset{\,H\,}{\mathop{\underset{|\,}{\overset{|}{\mathop{P}}}\,}}}\,}}\,}}\,-O-H\] done clear
  C)
                  \[O\leftarrow \underset{H\,}{\overset{H}{\mathop{\underset{|\,\,\,}{\overset{|\,\,}{\mathop{P\,}}}\,}}}\,-O-H\]\[\] done clear
  D)
                  \[H-O-\overset{\,O}{\mathop{\overset{\uparrow }{\mathop{P}}\,}}\,=O\]\[\] done clear
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• question_answer14)
  What is the nature of the bond between B and O in \[{{({{C}_{2}}{{H}_{5}})}_{2}}OB{{H}_{3}}\]                                                   [Orissa JEE 2003]
  A)
                  Covalent              done clear
  B)
                  Co-ordinate covalent done clear
  C)
                  Ionic bond           done clear
  D)
                  Banana shaped bond done clear
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• question_answer15)
   Sulphuric acid provides a example of [Kerala CET (Med.) 2002]
  A)
                  Co-ordinate bonds          done clear
  B)
                  Non-covalent compound done clear
  C)
                  Covalent and co-ordinate bond done clear
  D)
                  Non-covalent ion done clear
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