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Chemistry · 2025 · 3 marks
CBSE 2025 · Region 4 · Set 3 · Q26
(a) Can sodium propoxide and t-butyl chloride be used for the preparation of t-butyl propyl ether? Give suitable explanation. Justify your answer by…
(a)
Can sodium propoxide and t-butyl chloride be used for the preparation of t-butyl propyl ether ? Give suitable explanation. Justify your answer by suggesting the appropriate starting material required for the preparation of t -butyl propyl ether.
(b)
Give the IUPAC name of the above mentioned ether.
Marking-scheme solution
(a)
No
Sodium propoxide is a strong nucleophile as well as a strong base so elimination reaction of t-
butyl chloride predominates over substitution.
propyl chloride and Sodium.t-butoxide / CH3CH2CH2Cl and (CH3)3CONa
(b)
$\displaystyle 2$-Propoxy-$\displaystyle 2$-methylpropane
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.