Published by:
CGP EDU Academic Team
Published on: August 13, 2026
By acidic hydrolysis - CN group changes to 
I. 
II. 
III. 
In which case(s), preference group of nomenclature does not change?
Text Solution
Verified by ExpertsThe correct answer is:
D
I. 
No
is preferred -COOH is preferred
over – CHO over- CHO
II. 
No
-CN is preferred -COOH is preferred
over 
over -OH
III. 
No
-CN is preferred over -COOH is preferred over
Thus, nomenclature preference does not change.
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