نامیاتی کیمیا

Organic compounds always contain:

• 1 Sulphur
• 2 Carbon
• 3 Oxygen
• 4 Nitrogen

Which of these is a functional group of alcohols?

• 1 -CHO
• 2 -NH2
• 3 -OH
• 4 -COOH

The functional group of carboxylic acids is:

• 1 -COOH
• 2 -CO-
• 3 -CHO
• 4 -OH

Compounds with the same formula but different structures are called:

• 1 Isotopes
• 2 Polymers
• 3 Isomers
• 4 Allotropes

Ethanol has the formula:

• 1 C2H6
• 2 CH3OH
• 3 CH3COOH
• 4 C2H5OH