Which of the following alkenes will give CH_3 | vedclass

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Question

(A) Ozonolysis involves the cleavage of the $C=C$ double bond to form carbonyl compounds. The reaction is represented as: $R_1R_2C=CR_3R_4 \xrightarro

Vedclass · Accepted Answer

$CH_3CH_2CH=C(CH_3)_2$

Vedclass · Answer

(A) Ozonolysis involves the cleavage of the $C=C$ double bond to form carbonyl compounds. The reaction is represented as: $R_1R_2C=CR_3R_4 \xrightarrow{(i)O_3, (ii)Zn, H_2O} R_1R_2C=O + O=CR_3R_4$. For the given products $CH_3CH_2CHO$ (propanal) and $CH_3COCH_3$ (acetone),the alkene must be $CH_3CH_2CH=C(CH_3)_2$. Upon ozonolysis: $CH_3CH_2CH=C(CH_3)_2 \xrightarrow{(i)O_3, (ii)Zn, H_2O} CH_3CH_2CHO + CH_3COCH_3$.

Which of the following alkenes will give $CH_3CH_2CHO$ and $CH_3COCH_3$ upon ozonolysis?

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