`R-overset(O)overset(||)C-Roverset(?)rarr R-CH_(2)-R` Identify numbers of reagent that can be used for above conversion. (a) `Zn-Hg//HCl" "` (b) `LiAlH_(4)" "` (c) `CHCl_(3)+NaOH` (d) `N_(2)H_(4)//overset(Ө)OH" "`(e) `{:(CH_(2)-CH),(|),(CH_(2)-SH):}`,`H_(2)//Ni" "`(f) `SeO_(2)`

`R-overset(O)overset(||)C-Roverset(?)rarr R-CH_(2)-R` Identify numbers

1.	`R-overset(O)overset(\|\|)C-Roverset(?)rarr R-CH_(2)-R` Identify numbers of reagent that can be used for above conversion. (a) `Zn-Hg//HCl" "` (b) `LiAlH_(4)" "` (c) `CHCl_(3)+NaOH` (d) `N_(2)H_(4)//overset(Ө)OH" "`(e) `{:(CH_(2)-CH),(\|),(CH_(2)-SH):}`,`H_(2)//Ni" "`(f) `SeO_(2)`
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`R-overset(O)overset(||)C-Roverset(?)rarr R-CH_(2)-R` Identify numbers of reagent that can be used for above conversion. (a) `Zn-Hg//HCl" "` (b) `LiAlH_(4)" "` (c) `CHCl_(3)+NaOH` (d) `N_(2)H_(4)//overset(Ө)OH" "`(e) `{:(CH_(2)-CH),(|),(CH_(2)-SH):}`,`H_(2)//Ni" "`(f) `SeO_(2)`

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