Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Reimer-Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol. The general method for producing substituted salicylaldehydes is :
(i) Which of following reagents can be used in the above reaction ?
A
aq. CH3ONa + CHCl3 1 
B
aq. NaOH + CH2Cl2 2 
C
aq. NaOH + CHClBrF 3 
D
aq. NaOH + CCl2Br2 (ii) The number of carbonyl compounds formed as products in the reaction given above is/are – 4 (iii) If reagent is used as in Q.18, then the structure of intermediate I is – 
Text Solution
Verified by ExpertsThe correct answer is:
B
(i)
Sol. aq. NaOH + CHClBrF
(ii)
Sol. 2
(iii)
Sol. 
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