Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is $0.46 {gL}^{- 1}$ at $257 ° C$ and $100 mmHg$ . The molar mass of geraniol is (Nearest Integer)
[Given $R = 0.082 L$ atm $K^{- 1} {mol}^{- 1}$ ]

Question

Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is

0.46 {gL}^{- 1}

at

257 ° C

and

100 mmHg

. The molar mass of geraniol is (Nearest Integer)
[Given

R = 0.082 L

atm

K^{- 1} {mol}^{- 1}

]

MARKS Content Team · Accepted Answer

Correct answer: 152. Assuming ideal behaviour P=dRT/M P=100/760 atm, T=257+273=530 K d=0.46gm/L So M=(0.46×0.082×530)/100×760 =151.93≈152

Solution