NEET 2026 | Aldehydes, Ketones and Carboxylic Acids Question 2 | Chemistry

NEET 2026

MCQ (Single Correct Answer)

-1

$$ \text { Match List I with List II: } $$

NEET 2026 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 3 English Choose the correct answer from the options given below :

A-II, B-III, C-I, D-IV

A-II, B-III, C-IV, D-I

A-II, B-IV, C-III, D-I

A-I, B-III, C-IV, D-II

NEET 2026

MCQ (Single Correct Answer)

-1

In a test tube containing a salt, a few drops of dilute $\mathrm{H}_2 \mathrm{SO}_4$ was added, which gave colourless vapours having the smell of vinegar. The vapours turned the blue litmus paper red.

Identify the correct anion from the following :

Sulphide, $\mathrm{S}^{2-}$

Sulphate, $\mathrm{SO}_4^{2-}$

Acetate, $\mathrm{CH}_3 \mathrm{COO}^{-}$

Carbonate, $\mathrm{CO}_3^{2-}$

NEET 2025

MCQ (Single Correct Answer)

-1

Identify the suitable reagent for the following conversion.

NEET 2025 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 4 English

(i) $\mathrm{NaBH}_4$, (ii) $\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}$

$\quad \mathrm{H}_2 / \mathrm{Pd}-\mathrm{BaSO}_4$

(i) $\mathrm{LiAlH}_4$, (ii) $\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}$

(i) $\mathrm{AlH}(\mathrm{iBu})_2$, (ii) $\mathrm{H}_2 \mathrm{O}$

NEET 2025

MCQ (Single Correct Answer)

-1

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

$\mathrm{HCOOH}>\mathrm{CH}_3 \mathrm{COOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}$

$\mathrm{HCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\mathrm{CH}_3 \mathrm{COOH}$

$\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\mathrm{CH}_3 \mathrm{COOH}>\mathrm{HCOOH}$

$\mathrm{CH}_3 \mathrm{COOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\mathrm{HCOOH}$

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