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JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

The ascending acidity order of the following H atoms is

JEE Main 2024 (Online) 29th January Evening Shift Chemistry - Basics of Organic Chemistry Question 38 English

A

A < B < D < C

B

A < B < C < D

C

D < C < B < A

D

C < D < B < A

2

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

The correct IUPAC name of $$\mathrm{K}_2 \mathrm{MnO}_4$$ is

A

Potassium tetraoxidomanganate (VI)

B

Dipotassium tetraoxidomanganate (VII)

C

Potassium tetraoxopermanganate (VI)

D

Potassium tetraoxidomanganese (VI)

3

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Identify the reagents used for the following conversion

JEE Main 2024 (Online) 29th January Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 23 English

A

$$\mathrm{A}=\mathrm{LiAlH}_4, \mathrm{~B}=\mathrm{NaOH}_{(\mathrm{aq})}, \mathrm{C}=\mathrm{NH}_2-\mathrm{NH}_2 / \mathrm{KOH} \text {, ethylene glycol }$$

B

$$\mathrm{A}=\mathrm{DIBAL}-\mathrm{H}, \mathrm{B}=\mathrm{NaOH}_{(\mathrm{aq})}, \mathrm{C}=\mathrm{NH}_2-\mathrm{NH}_2 / \mathrm{KOH} \text {, ethylene glycol }$$

C

$$\mathrm{A}=\mathrm{LiAlH}_4, \mathrm{~B}=\mathrm{NaOH}_{(\mathrm{alc})}, \mathrm{C}=\mathrm{Zn} / \mathrm{HCl}$$

D

$$\mathrm{A}=\mathrm{DIBAL}-\mathrm{H}, \mathrm{B}=\mathrm{NaOH}_{(\mathrm{alc})}, \mathrm{C}=\mathrm{Zn} / \mathrm{HCl}$$

4

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Chromatographic technique/s based on the principle of differential adsorption is / are

A. Column chromatography

B. Thin layer chromatography

C. Paper chromatography

Choose the most appropriate answer from the options given below:

A

B only

B

A only

C

A & B only

D

C only

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