You are provided with four reagents : ${\mathrm{LiAlH}}_4,{\mathrm{l}}_2/\mathrm{NaOH},{\mathrm{NaHSO}}_3$ and Schiff's reagent. Write which two reagents can be used to distinguish between the compounds in each of the following pairs:

${\mathrm{CH}}_3\mathrm{CHO}$ and ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CHO}$

You are provided with four reagents : ${\mathrm{LiAlH}}_4,{\mathrm{I}}_2/\mathrm{NaOH},{\mathrm{NaHSO}}_3$ and Schiff's reagent.

Write which two reagents can be used to distinguish between the following pairs:

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{COCH}}_3$ and ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{COC}}_6{\mathrm{H}}_5$

How will you obtain formic acid from the following :

Carbon monoxide

How will you obtain formic acid from the following :

Oxalic acid

How will you obtain formic acid from the following :

Formaldehyde.

How are the following conversions carried out?

Acetic acid from acetylene

How are the following conversions carried out?

Butanoic acid from butan-1-ol.

How are the following conversions carried out?

Acetic acid from ethyl alcohol