Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Which of the following pair of acidic radical can be distinguished by using dil H 2 SO 4 ?
(I) 
and 
(II) 
and 
(III) Cl – and Br – (IV) 
and 
Text Solution
Verified by ExpertsThe correct answer is:
B
(I) 
(II) 
HNO 3 + NO 
NO 2
Hence, distincition is posssible.
(III) Both Cl – and Br – have no reaction with dil. H 2 SO 4 .
(IV) Both HCO 3 – and CO 3 2– produce CO 2 which evolves with efferverscences.
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