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Match List - I with List - II. List - I (Chemical Reaction) List - II (Reagent used) a CH_3 COOCH_2 CH_3→ CH_3 CH_2 OH i CH_3 MgBr/H_3 O^+ (one…

JEE Main 2021 — Chemistry Organic Chemistry

2021mcqhard

Match List - I with List - II.

List - I (Chemical Reaction)List - II (Reagent used)
aCH3COOCH2CH3→CH3CH2OH{\mathrm{CH}}_{3}{\mathrm{COOCH}}_{2}{\mathrm{CH}}_{3}\rightarrow {\mathrm{CH}}_{3}{\mathrm{CH}}_{2}\mathrm{OH}CH3​COOCH2​CH3​→CH3​CH2​OHiCH3MgBr/H3O+{\mathrm{CH}}_{3}\mathrm{MgBr}/{H}_{3}{O}^{+}CH3​MgBr/H3​O+ (one equivalent)
bCH3COOCH3→CH3CHO{\mathrm{CH}}_{3}{\mathrm{COOCH}}_{3}\rightarrow {\mathrm{CH}}_{3}\mathrm{CHO}CH3​COOCH3​→CH3​CHOiiH2SO4/H2O{H}_{2}{\mathrm{SO}}_{4}/{H}_{2}OH2​SO4​/H2​O
cCH3C≡N→CH3CHO{\mathrm{CH}}_{3}C\equiv N\rightarrow {\mathrm{CH}}_{3}\mathrm{CHO}CH3​C≡N→CH3​CHOiiiDIBAL−H/H2O\mathrm{DIBAL}-H/{H}_{2}ODIBAL−H/H2​O
dJEE Main 2021 Chemistry, Carboxylic Acid Derivatives — question figureivSnCl2,HCl/H2O{\mathrm{SnCl}}_{2},\mathrm{HCl}/{H}_{2}OSnCl2​,HCl/H2​O
Choose the most appropriate match.
Official previous-year question

Held on 26 Aug 2021 · Verified 6 Jul 2026.

Options

  1. A

    (a)−(ii),(b)−(iii),(c)−(iv),(d)−(i)(a)-(\mathrm{ii}),(b)-(\mathrm{iii}),(c)-(\mathrm{iv}),(d)-(i)(a)−(ii),(b)−(iii),(c)−(iv),(d)−(i)

  2. B

    (a)−(ii),(b)−(iv),(c)−(iii),(d)−(i)(a)-(\mathrm{ii}),(b)-(\mathrm{iv}),(c)-(\mathrm{iii}),(d)-(i)(a)−(ii),(b)−(iv),(c)−(iii),(d)−(i)

  3. C

    (a)−(iii),(b)−(ii),(c)−(i),(d)−(iv)(a)-(\mathrm{iii}),(b)-(\mathrm{ii}),(c)-(i),(d)-(\mathrm{iv})(a)−(iii),(b)−(ii),(c)−(i),(d)−(iv)

  4. D

    (a)−(iv),(b)−(ii),(c)−(iii),(d)−(i)(a)-(\mathrm{iv}),(b)-(\mathrm{ii}),(c)-(\mathrm{iii}),(d)-(i)(a)−(iv),(b)−(ii),(c)−(iii),(d)−(i)

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