OC C- group

Diastereomers are

• Stereo isomers.

• Constitutional isomers.

• Chain isomers.

• Tautomers

Among the following which is NOT disaccharide.

• Amylose

• Cellobiose

• Sucrose

• Lactose

Benzenediazonium chloride on coupling with N,N-dimethyl aninile forms

• Methyl Orange

• Methyl Red

• Methyl Yellow

• Congo Red

When isomerism is caused by the different arraignments of atoms or groups in space, the phenomenon is called

• Stereo isomerism

• Constitutional isomerism

• Chain isomerism

• Tautomerism

Choose the CORRECT statement from the following

• Bakelite is thermoplastic resin.

• Both phenol-formaldehyde and urea-formaldehyde resins are synthesized by addition polymerization method.

• The nitrogen from Novolak can be further quaternate by treatment with acid.

• Both phenol-formaldehyde and urea-formaldehyde resins are synthesized by condensation polymerization method.

Nitrobenzene on treatment with mixture of Conc. Sulfuric acid and conc. Nitric acid forms

• meta dinito benzene

• both ortho and para dinito benzene

• 3-Nitro benzene sulfonic acid

• aniline

Among various conformations in cyclohexane the highly unstable transition state species is

• Half chair conformation

• Chair conformation

• Boat conformation

• Twist-Boat conformation

Among the following which pair is disaccharide.

• Maltose and Cellobiose

• alpha-D-glucose and beta-D-glucose

• Starch and Cellulose

• Amylose and Amylopectin

In n-butane a staggered conformation in which the rear and front methyl groups are as far apart as can be is called as

• Syn-periplanar conformation

• Anticlinal

• Anti-periplanar

• Gauchi conformations

Aninile undergo oxidation with trifluoro peracetic acid (CF3CO3H) or hydrogen peroxide in acetic acid (H2O2/CH3COOH) to give the corresponding

• Nitro benzene

• Fluro benzene

• Benzoic acid

• 4-fluro benzoic acid