Identify the wrong statement

Options

A. Butyl magnesium bromide reacts with isobutyl alcohol to form butane
B. Boiling points of the following compounds increase in the order
`CH_3 - CH - CH_3 lt CH_3 - CH_2 - CH_2 - CH_3 lt`
`CH_3 - underset(underset(CH_3)(|))overset(overset(CH_3)|)C - CH_3 lt CH_3 - underset(underset(CH_3)(|))CH - CH_2 - CH_3 lt CH_3 - (CH_2)_3 CH_3`
C. Main constituents of LPG are isobutane and butane
D. Only three optically active compounds are obtained when pentane in subjected to monochlorination