1.

An oxygen containing organic compound was found to contain 52% carbon and 13 % of hydrogen . Its vapour density is 23 . The compound reacts with sodium metal to liberate hydrogen . A functional isomer of this compound is

Answer»

Ethanol
Ethanal
Methoxy methane
Methoxy ethane

Solution :Molecular mass = `2 xx ` vapour density
Molecular mass = `2 xx 23= 46`

Empirical formula = `C_(2) H_(6) O`
Empirical formula mass = `12 xx 2 + 6 xx 1 + 16 = 46`
`n = ("empirical formula mass")/("molecular formula mass") = (46)/(46) = 1`
Molecular formula = `C_(2) H_(6) O`
Alcohols LIBERATE hydrogen on reaction with sodium METAL . The functional isomer of ethanol is methoxy methane .
`UNDERSET("ethanol")(CH_(3) CH_(2)OH)"" underset("methoxy methane") (CH_(3)OCH_(3))`


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