2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.1
Periodic Classification of Elements and Periodicity
Total MCQs = 37
36. Mark the correct statement.
A. Melting points of halogens decrease down the group
B. Melting points of halogens increase down the group
C. Melting points of halogens remain the same throughout the group
D. Melting points of halogens first increase and than decrease down the group
Answer:
B. Melting points of halogens increase down the group
37. Mark the correct statement.
A. Covalent character of metal halides increases from left to right in a period
B. Boiling points of Group IVA hydrides decrease down the group
C. Ionic character of hydrides increases from left to right in a period
D. The basicity of group IIA oxides decreases on descending the group
Answer:
A. Covalent character of metal halides increases from left to right in a period
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