Phthalic acid quiz

Phthalic acid is a

• Aromatic dicarboxylic acid with COOH groups located at ortho position to each other

• Aliphatic carboxylic acid

• Aromatic acid containing one OH and one COOH group

• Aromatic acid containing two OH groups attached to ortho position to each other

Nitrating mixture used in nitration of phthalic acid is

• Sulphuric acid

• Nitric acid

• Mixture of concentrated sulphuric acid and nitric acid

• Nitrogen dioxide

3-Nitrophthalic acid is used as

• Anthelmintic

• Diuretic

• Cardiac gycoside

• antiseptic

Choose the molecular weight of 3-nitrophthalic acid

• 116.14 g/mol

• 98.16 g/mol

• 211.13 g/mol

• 166.14 g/mol

Percentage yield is

• Always greater than theoretical yield

• Always less than theoretical yield

• is equal to theoretical yield

• may be high or lower than theoretical yield depending upon experiment