Class 12Chemistry8-2.Carboxylic acids and Their derivativeMix Examples-Carboxylic acids and Their derivative
MediumProvide the name,common formula,simple structure,and examples of homologous series containing the carbonyl group.
(N/A) The homologous series containing the carbonyl group $(C=O)$ are summarized in the table below:
| Group (Series) | Common formula | Simple structure | Example |
|---|---|---|---|
| $(i)$ Aldehyde | $RCHO$ | $R-C(=O)-H$ | $CH_3-C(=O)-H$ |
| (ii) Ketone | $RCOR'$ | $R-C(=O)-R'$ | $CH_3-C(=O)-CH_3$ |
| (iii) Carboxylic acid | $RCOOH$ | $R-C(=O)-OH$ | $CH_3-C(=O)-OH$ |
| (iv) Acyl halide | $RCOX$ | $R-C(=O)-X$ | $CH_3-C(=O)-Cl$ |
| $(v)$ Amide | $RCONH_2$ | $R-C(=O)-NH_2$ | $CH_3-C(=O)-NH_2$ |
| (vi) Acid anhydride | $(RCO)_2O$ | $R-C(=O)-O-C(=O)-R$ | $CH_3-C(=O)-O-C(=O)-CH_3$ |
| (vii) Ester | $RCOOR'$ | $R-C(=O)-OR'$ | $CH_3-C(=O)-OC_2H_5$ |
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Given below are two statements:
Statement $I:$ Ethyl pent$-4-$yn$-$oate on reaction with $CH_{3}MgBr$ gives a $3^{\circ}$ alcohol.
Statement $II:$ In this reaction,one mole of ethyl pent$-4-$yn$-$oate utilizes two moles of $CH_{3}MgBr$.
In the light of the above statements,choose the most appropriate answer from the options given below:
Statement $I:$ Ethyl pent$-4-$yn$-$oate on reaction with $CH_{3}MgBr$ gives a $3^{\circ}$ alcohol.
Statement $II:$ In this reaction,one mole of ethyl pent$-4-$yn$-$oate utilizes two moles of $CH_{3}MgBr$.
In the light of the above statements,choose the most appropriate answer from the options given below:
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$(iii)$ Bromobenzene
$(iv)$ Phenylethene (Styrene)
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$(ii)$ Acetophenone
$(iii)$ Bromobenzene
$(iv)$ Phenylethene (Styrene)
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