This chapter is currently out of syllabus
1
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In basic medium, H2O2 exhibits which of the following reactions?

(A) Mn2+ $$ \to $$ Mn4+

(B) I2 $$ \to $$ I$$-$$

(C) PbS $$ \to $$ PbSO4

Choose the most appropriate answer from the options given below :
A
(B) only
B
(A), (B) only
C
(A) only
D
(A), (C) only
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are :
A
$$-$$SO3H and $$-$$NH2
B
$$-$$NH2 and COOH
C
$$-$$NH2 and $$-$$SO3H
D
$$-$$SO3H and $$-$$COOH
3
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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 :
A
(D) only
B
(B) and (D) only
C
(B) only
D
(C) only
4
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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
(A), (C) and (D) only
B
(A), (B), (C) and (D)
C
(A), (B) and (D) only
D
(B), (C) and (D) only
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