81.

Which of the following compound shows aromatic properties ?

• Valine

• Leucine

• Serine

• Tyrosine

Which of the following converts carbonyl compounds into hydrocarbons ?

• H₂/ Pt

• LiAlH₄

• K₂Cr₂O₇ / H₂SO₄

• Zn-Hg / HCl

Acetonitriles on hydrolysis produce which of the following?

• Amine

• Acid

• Amines

• Carbonyl compounds

Saturated fatty acids are represented by which of the formula?

• C_nH_nO₂

• C_nH_3nO₂

• C_nH_2n+1

• C_nH_2nO₂

Acetic acid and P₂O₅ reacts to produce which of the following ?

• Acetic anhydride

• Acetaldehyde

• Phosphoric acid

• Acetone

Which reaction is used for the preparation of acetophenone ?

• Reimer-Tiemann reaction

• Wurtz-Fittig reaction

• Friedel-Craft's reaction

• Cannizaro's reaction

PVC polymer can be prepared by which of the monomer?

• CH₃CH=CH₂

• C₆H₅CH=CH₂

• CH₂=CH₂

• CH₂=CH-Cl

Soaps can be classified as :

• carbohydrates

• ether

• salts of fatty acids

• none of these

Amino acids have peptide linkage which is :

• -CO-NH-

• -C-NH₂

• SO-NH-

• -CO-N-

Phenacetin is used as :

• antipyretics

• antiseptics

• analgesic

• antimalarials