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Question

Gas produced after introduction of H2 in the mixture?

A
H2O
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B
CH4
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C
CO2
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D
NH3
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Solution

The correct option is D NH3
Given
Volume of N2, Alkane, O2 is 10 ml
Solution
Reaction of N2, CnH2n+2, O2 gives CO2
CO2 is absorbed by KOH
Volume contracted = 2ml
Hence Volume of CO2 = 2ml
Now in tube only N2 and Alkane is left
When N2 is reacted with excess of H2 it forms NH3.
The correct option is D

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