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Chemistry · 2024 · 3 marks
Aldehydes, Ketones and Carboxylic AcidsChemical Reactions of Aldehydes, Ketones and Carboxylic Acids3 marksAnalyseshort answer
CBSE 2024 · Region 1 · Set 1 · Q28
Compound (A) ( C_6 H_12 O_2) on reduction with LiAlH_4 gives two compounds (B) and (C). The compound (B) on oxidation with PCC gives compound (D)…
Compound (A) $\displaystyle \left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{2}\right)$ on reduction with $\displaystyle \mathrm{LiAlH}_{4}$ gives two compounds
(B) and (C). The compound (B) on oxidation with PCC gives compound (D) which upon treatment with dilute NaOH and subsequent heating gives compound (E). Compound (E) on catalytic hydrogenation gives compound
(C)
. The compound (D) is oxidized further to give compound (F) which is found to be a monobasic acid (Molecular weight $\displaystyle =60$ ). Identify the compounds (A), (B), (C), (D), (E) and (F).
Marking-scheme solution
(A) \(\displaystyle \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{COOCH}_{2} \mathrm{CH}_{3} / \mathrm{CH}_{3} \mathrm{COOCH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}\)
(B) \(\displaystyle \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.