JEE Main 2023 · ChemistryMultiple choiceAssertion–reasonMediumConceptual
JEE Main 12 April 2023, Shift 1, Chemistry Q71
Question 71 of 90 in this shift, Chemistry question 11 of 30, Section A.
Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: 5f electrons can participate in bonding to a far greater extent than 4f electrons
Reason R: 5f orbitals are not as buried as 4f orbitals
In the light of the above statements, choose the correct answer from the options given below
- (1)Both and are true and is the correct explanation of Official answer
- (2)Both and are true but is NOT the correct explanation of
- (3) is true but is false
- (4) is false but is true
Official answer
Option 1
NTA final key.
- Chapter
- The d- and f-Block Elements
- Topic
- d-Block Elements
- Idea tested
- Actinoid vs Lanthanoid Contraction