Question

# The equivalent weight of an element is $$4$$. Its chloride has a vapour density $$59.25$$. Then, the valency of the element is:

A
4
B
3
C
2
D
1

Solution

## The correct option is B 3Molecular weight $$=2\times$$Vapour density $$=2\times59.25 = 118.5$$Also, molecular weight $$=x\times 4+x\times 35.5=118.5$$; (where $$x$$ is the valency of the element)On solving, we get $$x$$ $$= 3$$.Chemistry

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