Which of the following functional groups has | vedclass

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Question

(B) According to the $IUPAC$ priority order for functional groups,the priority sequence is: $-COOH > -SO_3H > -COOR > -COCl > -CONH_2 > -CN > -CHO > -

Vedclass · Accepted Answer

$-SO_3H$

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(B) According to the $IUPAC$ priority order for functional groups,the priority sequence is: $-COOH > -SO_3H > -COOR > -COCl > -CONH_2 > -CN > -CHO > -CO > -OH > -NH_2 > -OR > -R > -X$. Comparing the given options: $1$. $-SO_3H$ (Sulfonic acid) $2$. $-COCl$ (Acid chloride) $3$. $-CHO$ (Aldehyde) $4$. $-OH$ (Alcohol) Among the given choices,$-SO_3H$ appears earliest in the priority list,thus it has the highest priority.

Which of the following functional groups has the highest priority order for naming polyfunctional organic compounds?

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