Some Basic Concepts Of Chemistry Question 196

Question: Vapour density of a metal chloride is 66. Its oxide contains 53% metal. The atomic weight of the metal is [Bihar MADT 1982]

Options:

A) 21

B) 54

C) 27.06

D) 2.086

Show Answer

Answer:

Correct Answer: C

Solution:

Let wt. of metal oxide = 100gm wt. of metal = 53gm wt. of oxygen = 47gm Equivalent weight of oxygen =wt. of metalwt. of oxygen×8

=5347×8=9.02

Valency =2×V.DE+35.5=2×669+35.5=13244.5=2.963

Atomic weight =Equivalent weight×Valency

=9.02×3=27.06



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