Browse Questions

# According to Cahn- lngold- Prelog sequence rules, the correct order of priority for the given groups is :

$\begin {array} {1 1} (1)\;COOH > - CH_2OH > -OH < - CHO \\ (2)\;-COOH > - CHO > - CH_2OH > - OH \\ (3)\;-OH > -CH_2 OH > - CHO > -COOH \\ (4)\;-OH > - COOH > - CHO > -CH_2OH \end {array}$

$(4)\;-OH &gt; - COOH &gt; - CHO &gt; -CH_2OH$