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Question

1.80 g of a metal oxide required 833 mL of hydrogen at NTP to be reduced to its metal. Find the equivalent weight of the oxide and the metal.

A
25.67 and 28.92
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B
24.5 and 16.2
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C
28.21 and 12.25
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D
None of these
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Solution

The correct option is B 24.5 and 16.2
vol=833ml at NTP
metal at NTP =833×10322.7
36.69×103mol
36.69×103 metal H2 reacts with 1.80g and
=1.8036.69×103
49.05
Eq wt of oxide=massnfactor
=49.052
24.5
Equation of metal. Equation of article -Equation of oxygen
=24.58
=16.5

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