Question

Which of the following is/are the use(s) of caustic potash?

• A. It is used in the manufacture of soft soap
• B. It is used for drying gases
• C. Alcoholic $KOH$ is is used in the organic chemistry
• D. All of the above

Answer 1

The correct option is D All of the above

All of the above are the uses of caustic potash.
$KOH$ is used in the manufacture of soft soap.
$NaOH$ is used in the manufacture of hard soap.
$KOH$ is used for drying gases since it is extremely deliquescent.
Alcoholic $KOH$ is is used in the organic chemistry, specially in the elimination of hydrogen halide.
$C_2{H}_{5}Br+KOH\left(alc\right)\to C_2{H}_4+KBr+H_{2}O$.