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Aldehydes Ketones and Carboxylic Acids question

2025 · 2 Apr · Shift 2 · Q14
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  5. /2025 · 2 Apr · Shift 2 · Q14

Aldehydes Ketones and Carboxylic Acids question

2025 · 2 Apr · Shift 2 · Q14

JEE MainChemistryAldehydes Ketones and Carboxylic AcidsMCQ+4 / −1
Consider the following reactions. From these reactions which reaction will give carboxylic acid as a major product ? (A) R−C≡N→ mild condition  (i) H+/H2O\quad \mathrm{R}-\mathrm{C} \equiv \mathrm{N} \xrightarrow[\text { mild condition }]{\text { (i) } \stackrel{+}{\mathrm{H}} / \mathrm{H}_2 \mathrm{O}}R−C≡N (i) H+​/H2​O mild condition ​(B) R−MgX→ (ii) H3O+(i) CO2\quad \mathrm{R}-\mathrm{MgX} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CO}_2}R−MgX(i) CO2​ (ii) H3​O+​(C) R−C≡N→ (ii) H3O+(i) SnCl2/HCl\mathrm{R}-\mathrm{C} \equiv \mathrm{N} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_2 / \mathrm{HCl}}R−C≡N(i) SnCl2​/HCl (ii) H3​O+​(D) R⋅CH2⋅OH→PCC\quad \mathrm{R} \cdot \mathrm{CH}_2 \cdot \mathrm{OH} \xrightarrow{\mathrm{PCC}}R⋅CH2​⋅OHPCC​ (E) JEE Main 2025 (Online) 2nd April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 8 English Choose the correct answer from the options given below :
  1. A
    A, B and E only
  2. B
    A and D only
  3. C
    B, C and E only
  4. D
    B and E only
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