1.

375 mg of an alcohol reacts with required amount of methylmagnesium bromide and releases 140 mL of methane gas at STP. The alcohol is

Answer»

ethanol
n-butanol
methanol
n-propanol

Solution :140 mL of `CH_(4)` is produced from ALCOHOL=375mg
`therefore22400`mL of `CH_(4)` is produced from alcohol`=(375)/(1000)xx(22400)/(140)=60` G `mol^(-1)`
Thus, alcohol with molecular mass=60g `mol^(-1)`
is `CH_(3)CH_(2)CH_(2)OH` (n-propanol).


Discussion

No Comment Found