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 Reaso

Question

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

(A) A is true but R is false
(B) Both A and R are true but R is NOT the correct explanation of A
(C) Both A and R are true and R is the correct explanation of A
(D) A is false but R is true

Prashant Kotian · Accepted Answer

Correct answer: C. As number of valence shell is higher, electrons of it's orbitals can participate in bonding in greater extents. 4f electron is more shielded as compare to 5f electrons. 5f orbitals is not as buried as 4f orbitals. | JEE(Main) 2023 | DATE : 12-04-2023 (SHIFT-1) | PAPER-1 | OFFICIAL | CHEMISTRY PAGE # 3

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