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MCQs

Total Questions : 228 | Page 22 of 23 pages
Question 211. In the separating funnel, layers are formed containing solvent to be separated
  1.    Two
  2.    Three
  3.    Four
  4.    Five
 Discuss Question
Answer: Option A. -> Two
Answer: (a).Two
Question 212. For the formation of ionic bond, the E.N difference should be
  1.    Less than 1.7
  2.    More than 1.7
  3.    Less than 1.9
  4.    More than 1.9
 Discuss Question
Answer: Option B. -> More than 1.7
Answer: (b).More than 1.7
Question 213. Ionic bond is formed by atoms having ionization energy value
  1.    High
  2.    Low
  3.    Zero
  4.    Same
 Discuss Question
Answer: Option A. -> High
Answer: (a).High
Question 214. The bond formed due to complete transfer of electron from one atom to other is
  1.    Ionic
  2.    Covalent
  3.    Hydrogen bond
  4.    None of above
 Discuss Question
Answer: Option A. -> Ionic
Answer: (a).Ionic
Question 215. Most ionic compounds are soluble in
  1.    n-hexane
  2.    Water
  3.    Alcohol
  4.    Benzene
 Discuss Question
Answer: Option B. -> Water
Answer: (b).Water
Question 216. The cations of group IIA have a charge
  1.    1
  2.    -1
  3.    2
  4.    -2
 Discuss Question
Answer: Option C. -> 2
Answer: (c).2
Question 217. The magnitude of the positive charge on the main group metal cations is equal to their
  1.    Atomic number
  2.    Group number
  3.    Mass number
  4.    Number of moles
 Discuss Question
Answer: Option B. -> Group number
Answer: (b).Group number
Question 218. Sulphur in group VIA forms anions with a charge
  1.    2
  2.    -2
  3.    3
  4.    -3
 Discuss Question
Answer: Option B. -> -2
Answer: (b).-2
Question 219. They will form anions with only one possible negative charge
  1.    Non-metals
  2.    Metals
  3.    Metalloids
  4.    None of above
 Discuss Question
Answer: Option A. -> Non-metals
Answer: (a).Non-metals
Question 220. Sodium in group IA forms a cation with charge
  1.    2
  2.    -2
  3.    1
  4.    -1
 Discuss Question
Answer: Option C. -> 1
Answer: (c).1

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