If characteristic gas constant of a given gas is one fourth of universal gas constant, the given gas could be
A
He
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B
O2
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C
N2
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D
CO2
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Solution
The correct option is AHe Characteristic gas constant RC=RM
Where R is universal gas constant and M is molar mass. ∵RC=R4 ⇒R4=RM ∴M=4
Hence, gas could be He