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(B) $R-CN \xrightarrow{	ext{reduction}} R-CH_2NH_2$ ($1^o$ amine) $(a)$$R-CN$ $\xrightarrow[(ii) H_2O]{(i) CH_3MgBr} R-C(CH_3)=NMgBr$ $\xrightarrow{H

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$1^o$ amine,methyl ketone,$1^o$ amine,alcohol

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(B) $R-CN \xrightarrow{	ext{reduction}} R-CH_2NH_2$ ($1^o$ amine) $(a)$$R-CN$ $\xrightarrow[(ii) H_2O]{(i) CH_3MgBr} R-C(CH_3)=NMgBr$ $\xrightarrow{H_2O} R-C(=O)CH_3$ (methyl ketone) $(b)$$R-NC \xrightarrow{	ext{hydrolysis}} R-NH_2 + HCOOH$ ($1^o$ amine) $(c)$$R-NH_2 \xrightarrow{HNO_2} R-OH$ (alcohol) $(d)$Thus,the correct set is: $(a) = 1^o$ amine,$(b) = 	ext{methyl ketone}, (c) = 1^o$ amine,$(d) = 	ext{alcohol}$.

Which set of products will be obtained in the following reactions?
$RCN \xrightarrow{\text{reduction}} (a)$
$RCN \xrightarrow[(ii) H_2O]{(i) CH_3MgBr} (b)$
$RNC \xrightarrow{\text{hydrolysis}} (c)$
$RNH_2 \xrightarrow{HNO_2} (d)$

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In the above conversion,the correct sequence of reagents to be added is:

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Which set of products will be obtained in the following reactions?$RCN \xrightarrow{\text{reduction}} (a)$$RCN \xrightarrow[(ii) H_2O]{(i) CH_3MgBr} (b)$$RNC \xrightarrow{\text{hydrolysis}} (c)$$RNH_2 \xrightarrow{HNO_2} (d)$