1.

A compound with empirical formula C_2H_5O has a vapour density of 45. The molecular formula of the compound will be

Answer»

`C_(2)H_(5)O`
`C_(2)H_(2)O_(4)`
`C_(5)H_(14)O_(4)`
`C_(4)H_(10)O_(2)`

Solution : empiricalformulamass=45,MOLECULARMASS `=2 xx 45=90, therefore n=2`


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