A) Mg
B) Ca
C) Ba
D) Pb
Correct Answer: A
Solution :
Molecular weight of metal chloride \[=2\times V.\,d=2\times 47.5=95\] As the valency of metal is 2, hence, the molecular formula of its chloride will be\[MC{{l}_{2}}\]. Hence, \[MC{{l}_{2}}=95\] \[M+2\times 35.5=95\] \[M=95-71=24\] Hence, the metal must be magnesium (Mg) as its atomic weight is 24.
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