1
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the suitable reagent for the following conversion.

NEET 2025 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 1 English

A
(i) $\mathrm{NaBH}_4$, (ii) $\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}$
B
$\quad \mathrm{H}_2 / \mathrm{Pd}-\mathrm{BaSO}_4$
C
(i) $\mathrm{LiAlH}_4$, (ii) $\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}$
D
(i) $\mathrm{AlH}(\mathrm{iBu})_2$, (ii) $\mathrm{H}_2 \mathrm{O}$
2
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of decreasing acidity of the following aliphatic acids is

A
$\mathrm{HCOOH}>\mathrm{CH}_3 \mathrm{COOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}$
B
$\mathrm{HCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\mathrm{CH}_3 \mathrm{COOH}$
C
$\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\mathrm{CH}_3 \mathrm{COOH}>\mathrm{HCOOH}$
D
$\mathrm{CH}_3 \mathrm{COOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\mathrm{HCOOH}$
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the incorrect reaction among the following :

A
$$ \mathrm{CH}_3 \mathrm{COCl} \xrightarrow[\Delta]{\mathrm{H}_2 \mathrm{O}} \mathrm{CH}_3 \mathrm{COOH} $$
B
NEET 2024 (Re-Examination) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 3 English Option 2
C
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[\text { (i) } \mathrm{H}_3 \mathrm{O}^{\oplus}]{\text { (i) } \mathrm{KMOO}_4 / \mathrm{OH}^{-}} \mathrm{CH}_3 \mathrm{COOH} $$
D
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH} \xrightarrow{\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH} $$
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the correct reagents that would bring about the following transformation.

NEET 2024 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 4 English

A

(i) $$\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}$$

(ii) $$\mathrm{CrO}_3$$

B

(i) $$\mathrm{BH}_3$$

(ii) $$\mathrm{H}_2 \mathrm{O}_2 / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}$$

(iii) PCC

C

(i) $$\mathrm{BH}_3$$

(ii) $$\mathrm{H}_2 \mathrm{O}_2 / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}$$

(iii) alk. $$\mathrm{KMnO}_4$$

D

(i) $$\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}$$

(ii) PCC

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