Question

Liebermann’s test is used for which class of compounds -

• A. Alcohols
• B. Phenols
• C. Aldehydes
• D. Ketones

Answer 1

Answer: (B)

Liebermann’s test is given by phenol, phenol with $NaN{O}_2/H_{2}S{O}_4$ give red coloured Indophenol which in alkaline medium change to blue.