(C) $1$. $Propene$ $(CH_3-CH=CH_2)$ reacts with $HBr$ to form $2-bromopropane$ $(A)$ $(CH_3-CH(Br)-CH_3)$.$2$. $2-bromopropane$ reacts with $Mg$ in $D

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$X$ = Pentan$-3-$one,$Y$ = $3-$ethyl$-2-$methylpentan$-3-$ol

(C) $1$. $Propene$ $(CH_3-CH=CH_2)$ reacts with $HBr$ to form $2-bromopropane$ $(A)$ $(CH_3-CH(Br)-CH_3)$.$2$. $2-bromopropane$ reacts with $Mg$ in $Dry \ ether$ to form $isopropylmagnesium \ bromide$ $(B)$ $(CH_3-CH(MgBr)-CH_3)$.$3$. $Isopropylmagnesium \ bromide$ $(B)$ reacts with $Pentan-3-one$ $(X)$ $(CH_3CH_2-CO-CH_2CH_3)$ followed by acid hydrolysis $(H_3O^+)$ to form $3-ethyl-2-methylpentan-3-ol$ $(Y)$.

Class 12 Chemistry 8-1.Aldehydes and Ketones Properties

Difficult

What are $X$ and $Y$ in the following reaction sequence?
$Propene$ $\xrightarrow{HBr} A$ $\xrightarrow[Dry \ ether]{Mg} B$ $\xrightarrow[2. H_3O^{+}]{1. X} Y$

AP EAMCET 2018 All AP EAMCET

A
$X$ = Pentan$-3-$one,$Y$ = $3-$ethyl$-2-$methylpentan$-3-$ol
B
$X$ = Pentan$-3-$one,$Y$ = $3-$ethyl$-2-$methylpentan$-3-$ol
C
$X$ = Pentan$-3-$one,$Y$ = $3-$ethyl$-2-$methylpentan$-3-$ol
D
$X$ = $2-$methylpentan$-3-$one,$Y$ = $3,4-$dimethylhexan$-3-$ol

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8-1.Aldehydes and Ketones

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The major product formed in the following reaction is:

MediumJEE MAIN 2023

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$CH_3CHO$ and $C_6H_5CH_2CHO$ can be distinguished chemically by

MediumAIPMT 2012

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What are $X$ and $Y$ respectively in the following reaction sequence?

DifficultAP EAMCET 2024

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Acetaldehyde cannot give:

Easy

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Match List-$I$ with List-$II$.
List-$I$ (Reactions) List-$II$ (Reagents)
$(A)$ $CH_3(CH_2)_5COOC_2H_5 \rightarrow CH_3(CH_2)_5CHO$ $(I)$ $CH_3MgBr, H_2O$
$(B)$ $C_6H_5COC_6H_5 \rightarrow C_6H_5CH_2C_6H_5$ $(II)$ $Zn(Hg)$ and conc. $HCl$
$(C)$ $C_6H_5CHO \rightarrow C_6H_5CH(OH)CH_3$ $(III)$ $NaBH_4, H^+$
$(D)$ $CH_3COCH_2COOC_2H_5 \rightarrow CH_3CH(OH)CH_2COOC_2H_5$ $(IV)$ $DIBAL-H, H_2O$

Choose the correct answer from the options given below:

List-$I$ (Reactions)	List-$II$ (Reagents)
$(A)$ $CH_3(CH_2)_5COOC_2H_5 \rightarrow CH_3(CH_2)_5CHO$	$(I)$ $CH_3MgBr, H_2O$
$(B)$ $C_6H_5COC_6H_5 \rightarrow C_6H_5CH_2C_6H_5$	$(II)$ $Zn(Hg)$ and conc. $HCl$
$(C)$ $C_6H_5CHO \rightarrow C_6H_5CH(OH)CH_3$	$(III)$ $NaBH_4, H^+$
$(D)$ $CH_3COCH_2COOC_2H_5 \rightarrow CH_3CH(OH)CH_2COOC_2H_5$	$(IV)$ $DIBAL-H, H_2O$

DifficultJEE MAIN 2024

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