JEE Main 2021 (Online) 17th March Evening Shift | Hydrogen Question 38 | Chemistry

JEE Main 2021 (Online) 17th March Evening Shift

MCQ (Single Correct Answer)

-1

The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are :

$$-$$SO₃H and $$-$$NH₂

$$-$$NH₂ and COOH

$$-$$NH₂ and $$-$$SO₃H

$$-$$SO₃H and $$-$$COOH

JEE Main 2021 (Online) 17th March Morning Shift

MCQ (Single Correct Answer)

-1

The INCORRECT statement(s) about heavy water is (are)

(A) used as a moderator in nuclear reactor

(B) obtained as a by-product in fertilizer industry

(C) used for the study of reaction mechanism

(D) has a higher dielectric constant than water

Choose the correct answer from the options given below :

(D) only

(B) and (D) only

(B) only

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

-1

The correct statements about H₂O₂ are :

(A) used in the treatment of effluents.

(B) used as both oxidising and reducing agents.

(C) the two hydroxyl groups lie in the same plane.

(D) miscible with water.

Choose the correct answer from the options given below :

(A), (C) and (D) only

(A), (B), (C) and (D)

(A), (B) and (D) only

(B), (C) and (D) only

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement I : H₂O₂ can act as both oxidising and reducing agent in basic medium.

Statement II : In the hydrogen economy, the energy is transmitted in the form of dihydrogen.

In the light of the above statements, choose the correct answer from the options given below :

Both statement I and statement II are false

Statement I is false but statement II is true

Statement I is true but statement II is false

Both statement I and statement II are true

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