Q.

The S.I. unit of universal gas constant is ____?

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a

WattK-1mol-1

b

NK-1mol-1

c

JK-1mol-1

d

ergK-1mol-1

answer is C.

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Detailed Solution

Ideal gas equation R=PVnTThe product of pressure and volume is energy and the S.I. unit of energy is Joule        n= number of moles of gas unit= mole        T = Temperature in Kelvin scale         Therefore unit of universal gas constant is Joule mole -1 kelvin -1
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