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MCQs

Total Questions : 228 | Page 11 of 23 pages
Question 101. In Al₂Cl₆, the number of electron pairs donated by each Chloride ion are
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 102. Pairs of outer shell electrons not used in bonding are called as
  1.    valence electrons
  2.    loner electrons
  3.    electrovalent electrons
  4.    lone pairs
 Discuss Question
Answer: Option D. -> lone pairs
Answer: (d).lone pairs
Question 103. In ammonium ion, the electrons required between hydrogen ion and nitrogen ion are
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 104. Complete transfer of one or more electrons from one atom to different atom forms
  1.    ionic bonds
  2.    covalent bonds
  3.    metallic bonding
  4.    co-ordinate bonding
 Discuss Question
Answer: Option A. -> ionic bonds
Answer: (a).ionic bonds
Question 105. Ions have noble gas electronic configuration' was suggested by
  1.    Kossel
  2.    Lewis
  3.    Newton
  4.    Russell
 Discuss Question
Answer: Option A. -> Kossel
Answer: (a).Kossel
Question 106. Bonds formed by sharing four electrons are
  1.    covalent bonds
  2.    electrovalent bonds
  3.    dative covalent bonds
  4.    double covalent bonds
 Discuss Question
Answer: Option D. -> double covalent bonds
Answer: (d).double covalent bonds
Question 107. In nitrogen molecule, the number of electrons required by each nitrogen atom in the outer shell is
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Answer: (c).3
Question 108. Intermolecular forces are
  1.    very weak
  2.    very strong
  3.    weak at room temperature
  4.    strong at room temperature
 Discuss Question
Answer: Option A. -> very weak
Answer: (a).very weak
Question 109. Electrons are usually lost by
  1.    metals
  2.    non-metals
  3.    inert gases
  4.    transition metals
 Discuss Question
Answer: Option A. -> metals
Answer: (a).metals
Question 110. When magnesium reacts with oxygen, the nature of the bond formed is
  1.    ionic
  2.    covalent
  3.    metallic
  4.    dative
 Discuss Question
Answer: Option A. -> ionic
Answer: (a).ionic

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