This chapter is currently out of syllabus
1
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Isotopes of hydrogen have almost same chemical properties, but difference in their rates of reaction.

Reason R : Isotopes of hydrogen have different enthalpy of bond dissociation.

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

A
A is not correct but R is correct
B
Both A and R are correct but R is NOT the correct explanation of A
C
A is correct but R is not correct
D
Both A and R are correct and R is the correct explanation of A
2
JEE Main 2023 (Online) 13th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Given below are two statements :

Statement I : Permutit process is more efficient compared to the synthetic resin method for the softening of water.

Statement II : Synthetic resin method results in the formation of soluble sodium salts.

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

A
Statement I is correct but Statement II is incorrect
B
Both the Statements I and II are correct
C
Both the Statements I and II are incorrect
D
Statement I is incorrect but Statement II is correct
3
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II

LIST I
Type of Hydride
LIST II
Example
A. Electron deficient hydride I. $$\mathrm{MgH_2}$$
B. Electron rich hydride II. $$\mathrm{HF}$$
C. Electron precise hydride III. $$\mathrm{B_2H_6}$$
D. Saline hydride IV. $$\mathrm{CH_4}$$

Choose the correct answer from the options given below:

A
A-III, B-II, C-I, D-IV
B
A-II, B-III, C-I, D-IV
C
A-III, B-II, C-IV, D-I
D
A-II, B-III, C-IV, D-I
4
JEE Main 2023 (Online) 11th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which hydride among the following is less stable?

A
NH$$_3$$
B
HF
C
LiH
D
BeH$$_2$$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12