Identify the reducing agent used for the following conversion:
$R-CHO \rightarrow R-CH_2-OH$
$R-CHO \rightarrow R-CH_2-OH$
- A$Na$ / Dry ether
- B$K_2Cr_2O_7$ / dil. $H_2SO_4$
- C$LiAlH_4$ / $H_3O^+$
- D$Sn$ / $HCl$
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Similar Questions
Which of the following compounds ($i$ through $v$) should not be classified as an acetal?
Medium
View SolutionThe major product obtained in the following reaction is:
DifficultJEE MAIN 2019
View SolutionMatch the following lists:
List-$I$ List-$II$ $A$. Grignard reagent $1$. $H_2 / Pd-BaSO_4$ $B$. Clemmensen reduction $2$. $N_2H_4 / KOH / (CH_2OH)_2$ $C$. Rosenmund reduction $3$. $CH_3MgX$ $D$. Wolff-Kishner reduction $4$. $Zn-Hg / \text{conc. } HCl$ $5$. $H_2 / Ni$
| List-$I$ | List-$II$ |
|---|---|
| $A$. Grignard reagent | $1$. $H_2 / Pd-BaSO_4$ |
| $B$. Clemmensen reduction | $2$. $N_2H_4 / KOH / (CH_2OH)_2$ |
| $C$. Rosenmund reduction | $3$. $CH_3MgX$ |
| $D$. Wolff-Kishner reduction | $4$. $Zn-Hg / \text{conc. } HCl$ |
| $5$. $H_2 / Ni$ |
$Ph-CH=CH-C(=O)CH_3 \to Ph-CH=CH-CO_2H$
The above conversion can be achieved by:
The above conversion can be achieved by:
Medium
View SolutionThe correct order of decreasing value of $K_{eq.}$ for the addition of $HCN$ to the following carbonyl compounds is:
Reactant $K_{eq.}$ $PhCHO$ $a$ $CH_3CH_2COCH_3$ $b$ $PhCOCH_3$ $c$ $CH_3CHO$ $d$
| Reactant | $K_{eq.}$ |
|---|---|
| $PhCHO$ | $a$ |
| $CH_3CH_2COCH_3$ | $b$ |
| $PhCOCH_3$ | $c$ |
| $CH_3CHO$ | $d$ |
Medium
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