S.I. unit of gas constant R is [CPMT 1994] (a) 0.0821 litre atm K–1 mole–1 (b) 2 calories K–1 mole–1 (c) 8.31 joule K–1 mole–1 (d) None

Question

S.I. unit of gas constant R is [CPMT 1994]  (a) 0.0821 litre atm K–1  mole–1   (b) 2 calories K–1 mole–1  (c) 8.31 joule K–1 mole–1  (d) None

Accepted Answer

The correct option is C Joule K-1 mol-1. PV = nRT ⇒ R = PVnT = Joulemole×Kelvin=JK−1mol−1.

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