Regular use of which of the following fertilizers increases…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) JEE (Main) / AIEEE Problems (Previous Year) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Regular use of which of the following fertilizers increases the acidity of soil?

Superphosphate of lime

Ammonium sulphate

Potassium nitrate

Urea

Text Solution

Verified by Experts

The correct answer is:

(NH 4 ) 2 SO 4 + 2H 2 O → (2H + + SO 42– ) + 2NH 4 OH

Strong acid Weakbase

(NH 4 ) 2 SO 4 on hydrolysis produces strong acid H 2 SO 4 , which increases the acidity of the soil.

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