MCQ
The $IUPAC$ name of $C_6H_5CH=CH-COOH$ is :
- Acinnamic acid
- B$1-$ phenyl $-2-$ carboxy ethane
- ✓$3-$ phenyl prop $-2-$ enoic acid
- Ddihydroxy $-3-$ phenyl propionic acid
The parent compound is propanoic acid. It contains a double bond at second carbon atom.
It also contains a phenyl group at third carbon atom. Its common name is cinnamic acid.
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$i\,\, HCO_3$ $ii. \,H_3O^+$
$iii.\, HSO_4^-$ $iv.\, HSO_3F$
Which one of the following is the correct sequence of their acid strength?