2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.2
S Block Elements
Total MCQs = 50
6. One of the following alkali metals is the most reactive which is that:
(a) Cs
(b) K
(c) Na
(d) Li
Answer:
(a) Cs
7. Which of the following does not give flame test:
(a) Zn
(b) Ba
(c) Sr
(d) Ca
Answer:
(a) Zn
8. Sodium metal cannot be stored in:
(a) Toluene
(b) Alcohol
(c) Benzene
(d) Kerosene oil
Answer:
(b) Alcohol
9. Dolomite is a carbonate of
(a) Ca and Ba
(b) Mg and Al
(c) Ca and Mg
(d) Na
Answer:
(c) Ca and Mg
10. Which one of the following configurations corresponds to an alkaline earth metals:
(a) [Ar] 3d10 4S2
(b) [Ne] 3d2 3p2
(c) [Ar] 4s2
(d) [Ar] 3d10 4s1
Answer:
(c) [Ar] 4s2
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