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Question

The equivalent mass of a metal is double that of oxygen. How many times is the equivalent mass of its oxide greater than the mass of the metal?

A
2 times
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B
1.5 times
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C
3 times
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D
0.5 times
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Solution

The correct option is D 1.5 times
The equivalent mass of oxygen is 8 .
The equivalent mass of metal is 16.
If it is a alkaline earth metal, then its molecular mass will be twice its equivalent mass.
It will be 32.
The molecular mass of metal oxide will be 32+16=48
The equivalent mass of metal oxide will be 482=24. It is 1.5 times that of metal.

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