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Question

# What is the equivalent weight of a chloride of a metal if the equivalent weight of its oxide is 28 g?

A
55.5 g
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B
20.5 g
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C
35.5 g
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D
50.5 g
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Solution

## The correct option is A 55.5 gGiven, equivalent weight of the metal oxide = 28 g Since n-factor (nf) of oxygen atom is 2, the equivalent weight of O atom = molar massnf=162=8 ∴ equivalent weight of the metal, = 28 - 8 = 20 g Also, equivalent weight of Cl atom = molar massnf=35.51=35.5 ∴ The equivalent weight of metal chloride = 20 + 35.5 = 55.5 g

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