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MCQs

Total Questions : 228 | Page 10 of 23 pages
Question 91. When ions of opposite charges come together to form a crystal lattice is called
  1.    bond energy
  2.    crystal energy
  3.    lattice energy
  4.    none of above
 Discuss Question
Answer: Option C. -> lattice energy
Answer: (c).lattice energy
Question 92. The degree of polarization depends on
  1.    charge density of cations only
  2.    polarizability only
  3.    charge density of anions
  4.    charge density of cations and polarizability
 Discuss Question
Answer: Option D. -> charge density of cations and polarizability
Answer: (d).charge density of cations and polarizability
Question 93. The ionic radius of cation will be smaller and more efficient in polarizing
  1.    carbonate ion
  2.    carbonate molecule
  3.    hydrogen ion
  4.    water
 Discuss Question
Answer: Option A. -> carbonate ion
Answer: (a).carbonate ion
Question 94. Many ionic compounds have some covalent ability due to
  1.    ion polarization
  2.    charge polarization
  3.    proton polarization
  4.    electron polarization
 Discuss Question
Answer: Option A. -> ion polarization
Answer: (a).ion polarization
Question 95. Under standard conditions the energy with enthalpy change when 1 mole of an ionic compound is formed from its gaseous ions is
  1.    bond energy
  2.    crystal energy
  3.    lattice energy
  4.    structural energy
 Discuss Question
Answer: Option C. -> lattice energy
Answer: (c).lattice energy
Question 96. Metals and non-metals combine to give the electronic configuration of
  1.    alkalis
  2.    noble gases
  3.    metalloids
  4.    acids
 Discuss Question
Answer: Option B. -> noble gases
Answer: (b).noble gases
Question 97. The noble gas electron configuration was first suggested by
  1.    Walther Kossel
  2.    Gilbert Lewis
  3.    John Dalton
  4.    Isaac Newton
 Discuss Question
Answer: Option A. -> Walther Kossel
Answer: (a).Walther Kossel
Question 98. Electrovalent bond is another name for
  1.    covalent bond
  2.    ionic bond
  3.    co-ordinate bond
  4.    metallic bond
 Discuss Question
Answer: Option B. -> ionic bond
Answer: (b).ionic bond
Question 99. A dot and cross diagram reflects
  1.    outer electron shells only
  2.    charge of ion only
  3.    neutrons and protons in a nucleus
  4.    outer electron shells and charge of ions
 Discuss Question
Answer: Option D. -> outer electron shells and charge of ions
Answer: (d).outer electron shells and charge of ions
Question 100. The chloride ion (Cl⁻) have the same configuration as
  1.    neon
  2.    helium
  3.    argon
  4.    nitrogen
 Discuss Question
Answer: Option C. -> argon
Answer: (c).argon

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