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Chemistry Ionic Equilibrium Acids and Bases Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Which of the following is/are soft bases? H 2 O, H – , CO, CO 2 , C 2 H 4 , CN –

C 2 H 4

H – ,CN – , CO

H – , CN – , CO, C 2 H 4

H – , CO, CO 2 , C 2 H 4

Text Solution

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The correct answer is:

Soft bases have the donor atom of highly polarisable and they preferably combine with the metal ions of lower oxidization states.

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