JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank

done Electronegativity Total Questions - 35

• question_answer1)
  Between \[HF,HCl,HBr\] and \[HI,HF\] has the highest ionic character because
  A)
  F has the highest electron affinity done clear
  B)
  In \[HF\], electronegativity difference is highest done clear
  C)
  \[{{F}^{-}}\] ion has the highest value of ionic radius done clear
  D)
  Atomic orbitals of H and F have almost similar energy done clear
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• question_answer2)
  On going from right to left in a period in the periodic table the electronegativity of the elements [MP PET/PMT 1998; MP PMT 2002]
  A)
  Increases done clear
  B)
  Decreases done clear
  C)
  Remain unchanged done clear
  D)
  Decreases first then increases done clear
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• question_answer3)
  On Pauling scale which of the following does not have electronegativity \[\ge \] 3.0 [MP PET 1994]
  A)
  Oxygen done clear
  B)
  Nitrogen done clear
  C)
  Chlorine done clear
  D)
  Bromine done clear
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• question_answer4)
  Which one of the following represents the electronic configuration of the most electropositive element [AIIMS 1982; CPMT 1994; MP PMT 2000]
  A)
  \[[He]\,2{{s}^{1}}\] done clear
  B)
  \[[Xe]\,6{{s}^{1}}\] done clear
  C)
  \[[He]\,2{{s}^{2}}\] done clear
  D)
  \[[Xe]\,6{{s}^{2}}\] done clear
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• question_answer5)
  An atom with high electronegativity has  [Kerala (Med.) 2003]
  A)
  Large size done clear
  B)
  High ionisation potential done clear
  C)
  Low electron affinity done clear
  D)
  Low ionisation potential done clear
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• question_answer6)
  Two elements whose electronegativities are 1.2 and 3.0 the bond formed between them would be [MP PET 2002]
  A)
  Ionic done clear
  B)
  Covalent done clear
  C)
  Coordinate done clear
  D)
  Metallic done clear
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• question_answer7)
  The solubilities of carbonates decreases down the magnesium group due to a decrease in [AIEEE 2003]
  A)
  Lattice energies of solids done clear
  B)
  Hydration energies of cations done clear
  C)
  Inter-ionic attraction done clear
  D)
  Entropy of solution formation done clear
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• question_answer8)
  Which element has the highest electronegativity or Which of the following is the most electronegative [CPMT 1981; Roorkee 1995; MP PMT 2003; EAMCET 1980; CPMT 1989; MNR 1994; MP PMT 1999]
  A)
  F done clear
  B)
  He done clear
  C)
  Ne done clear
  D)
  Na done clear
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• question_answer9)
  Which element has the highest electronegativity [MP PET/PMT 1998]
  A)
  C done clear
  B)
  Mg done clear
  C)
  O done clear
  D)
  S done clear
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• question_answer10)
  Keeping in view the periodic law and the periodic table suggest which of the following elements should have the maximum electronegative character [MNR 1985]
  A)
  P done clear
  B)
  As done clear
  C)
  Bi done clear
  D)
  Sb done clear
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• question_answer11)
  The outermost electronic configuration of the most electronegative element is [MP PET 1996; RPMT 1997; MP PET 2004]
  A)
  \[n{{s}^{2}}n{{p}^{3}}\] done clear
  B)
  \[n{{s}^{2}}n{{p}^{4}}\] done clear
  C)
  \[n{{s}^{2}}n{{p}^{5}}\] done clear
  D)
  \[n{{s}^{2}}n{{p}^{6}}\] done clear
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• question_answer12)
  Going from fluorine to chlorine, bromine and iodine, the electronegativity [MP PMT 2000]
  A)
  Increases done clear
  B)
  Decreases done clear
  C)
  First decreases then increases done clear
  D)
  Changes randomly done clear
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• question_answer13)
  Of the following elements, which one has highest electro-negativity [CPMT 1988; CBSE PMT 1991; BHU 1996; Kurukshetra CET 2002; Pb. PMT 2004]
  A)
  I done clear
  B)
  Br done clear
  C)
  Cl done clear
  D)
  F done clear
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• question_answer14)
  Which of the following is most electronegative [CPMT 1999]
  A)
  Carbon done clear
  B)
  Silicon done clear
  C)
  Lead done clear
  D)
  Tin done clear
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• question_answer15)
  The property of attracting electrons by the halogen atom in a molecule is called [CPMT 1996]
  A)
  Ionisation potential done clear
  B)
  Electron affinity done clear
  C)
  Electronegativity done clear
  D)
  Electronic attraction done clear
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• question_answer16)
  In third row of periodic table from \[Na\] to \[Cl\] [MP PET 1986]
  A)
  Electronegativity increases done clear
  B)
  Electronegativity decreases done clear
  C)
  Ionization energy decreases done clear
  D)
  Atomic volume increases done clear
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• question_answer17)
  Which of the following is the most electropositive element [AIIMS 1998]
  A)
  Aluminium done clear
  B)
  Magnesium done clear
  C)
  Phosphorus done clear
  D)
  Sulphur done clear
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• question_answer18)
  Which of the following sets of atoms is arranged in order of increasing electronegativity
  A)
  S, Si, P done clear
  B)
  S, P, Si done clear
  C)
  Si, P, S done clear
  D)
  Si, S, P done clear
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• question_answer19)
  Which of the following property displays progressive increase with the rise in atomic number across a period in the periodic table
  A)
  Electronegativity done clear
  B)
  Electron affinity done clear
  C)
  Ionization potential done clear
  D)
  Size of the atom done clear
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• question_answer20)
  With respect to chlorine, hydrogen will be [NCERT 1978; MP PMT 2003]
  A)
  Electropositive done clear
  B)
  Electronegative done clear
  C)
  Neutral done clear
  D)
  None of the above done clear
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• question_answer21)
  The correct order of electropositive nature of Li, Na and K is
  A)
  Li > Na > K done clear
  B)
  Li > K > Na done clear
  C)
  Na > K > Li done clear
  D)
  K > Na > Li done clear
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• question_answer22)
  Electronegativity is a measure of the capacity of an atom to [CPMT 1989]
  A)
  Attract electrons done clear
  B)
  Attract protons done clear
  C)
  Repel electrons done clear
  D)
  Repel protons done clear
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• question_answer23)
  With increasing atomic number in a certain period [MP PMT 1987]
  A)
  The chemical reactivity decreases done clear
  B)
  The chemical reactivity increases done clear
  C)
  The electropositive character increases done clear
  D)
  The electronegative character increases done clear
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• question_answer24)
  Which of the following have maximum electronegativity [CPMT 1982]
  A)
  Al done clear
  B)
  S done clear
  C)
  Si done clear
  D)
  P done clear
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• question_answer25)
  Which element has the lowest electronegativity [CPMT 1976]
  A)
  Li done clear
  B)
  F done clear
  C)
  Fe done clear
  D)
  Cl done clear
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• question_answer26)
  The attraction that an atom exerts on a pair of electrons that are being shared between that atom and another atom to which it is bonded by a covalent bond is referred to as its [Manipal MEE 1995]
  A)
  Electron affinity done clear
  B)
  Electronegativity done clear
  C)
  Ionisation energy done clear
  D)
  Valence done clear
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• question_answer27)
  The electronegativity of the following elements increases in the order [IIT 1987]
  A)
  C, N, Si, P done clear
  B)
  N, Si, C, P done clear
  C)
  Si, P, C, N done clear
  D)
  P, Si, N, C done clear
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• question_answer28)
  Choose the correct statement
  A)
  Electronegativity increases down a group done clear
  B)
  Electronegativity decreases down a group done clear
  C)
  Electronegativity decreases from left to right along a period done clear
  D)
  Electronegativity changes along a group but remains constant along a period done clear
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• question_answer29)
  In \[C,\,N,\,O\] and \[F\] the electronegativity [DPMT 2001]
  A)
  Decreases from carbon to fluorine done clear
  B)
  Increases from carbon to fluorine done clear
  C)
  Increases from carbon to oxygen and then decreases done clear
  D)
  Decreases from carbon to oxygen and then increases done clear
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• question_answer30)
  Which is the correct order of electronegativities [EAMCET 1990]
  A)
  F > N < O > C done clear
  B)
  F > N > O > C done clear
  C)
  F < N < O < C done clear
  D)
  F > N > O < C done clear
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• question_answer31)
  In the following, the element with the highest electropositivity is [MP PET/PMT 1998]
  A)
  Copper done clear
  B)
  Caesium done clear
  C)
  Barium done clear
  D)
  Chromium done clear
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• question_answer32)
  Which one of the following has the highest electronegativity [UPSEAT 2004]
  A)
  Br done clear
  B)
  Cl done clear
  C)
  P done clear
  D)
  Si done clear
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• question_answer33)
  Which or these have no unit [AFMC 2004]
  A)
  Electronegativity done clear
  B)
  Electron affinity done clear
  C)
  Ionisation energy done clear
  D)
  Excitation potential done clear
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• question_answer34)
  The polarising ability of which one of the following is highest [DCE 2003]
  A)
  Small highly +ve ion done clear
  B)
  Large +ve ion done clear
  C)
  Small highly -ve ion done clear
  D)
  Large ­-ve ion done clear
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• question_answer35)
  Among \[A{{l}_{2}}{{O}_{3}},Si{{O}_{2}},{{P}_{2}}{{O}_{3}}\] and \[S{{O}_{2}}\]the correct order of acid strength is [AIEEE 2004]
  A)
  \[A{{l}_{2}}{{O}_{3}}<Si{{O}_{2}}<S{{O}_{2}}<{{P}_{2}}{{O}_{3}}\] done clear
  B)
  \[Si{{O}_{2}}<S{{O}_{2}}<A{{l}_{2}}{{O}_{3}}<{{P}_{2}}{{O}_{3}}\] done clear
  C)
  \[S{{O}_{2}}<{{P}_{2}}{{O}_{3}}<Si{{O}_{2}}<A{{l}_{2}}{{O}_{3}}\] done clear
  D)
  \[A{{l}_{2}}{{O}_{3}}<Si{{O}_{2}}<{{P}_{2}}{{O}_{3}}<S{{O}_{2}}\] done clear
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