Question

Find the odd one out. Give reasons for your choice.

• A. citric acid
• B. lactic acid
• C. sulphuric acid
• D. oxalic acid

Answer 1

The correct option is C

sulphuric acid

The explanation for the correct option-

Option (C)

Mineral acids - The acids which are produced from minerals or inorganic salts and are man-made are called mineral acids.

For example - Hydrochloric acid$\left(\mathrm{HCl}\right)$.

Sulphuric acid - It is a mineral acid obtained by dissolving sulphur trioxide$\left({\mathrm{SO}}_3\right)$ in water.

The explanation for the incorrect options-

Natural acids - The acids which are obtained from natural sources are called natural acids.

(A) Citric acid - It is found in citrus fruits like lemon and orange.

(B) Lactic acid - It is found in curd.

(D) Oxalic acid - It is found in spinach.

Hence, option (C) is correct.