Question

Enter the following IUPAC names .

CH=CH-COOH​

Answer 1

Explanation:

IUPAC NAME OF THIS IS

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Answer 2

Answer:

CH2=CH-COOH = Prop-2-en-oic acid

Explanation:

Reasons:

• The word root will be 'Prop-' refering to 3 carbon long main chain.

• The Functional group has a higher priority in Nomenclature so we give 1st position to '-COOH group' therefore secondary suffic will be '-oic acid'.

• The Double bond will be given 2nd position the primaru suffix will be   '-ene' but since 2 vowels can't be together in naming the new suffix will be '-en'.

NOTE

( Secondary Prefix + Primary Prefix + Word Root + 1° suffix + 2° suffix)

( Substituents  + Cyclo/bicyclo + Carbon atom number + saturation(double triple bond)    + Functional group )