JEE Mains · Chemistry · STD 11 - 2. structure of atom
Given below are two statement: one is labelled as Assertion \(A\) and the other is labelled as Reason \(R\) Assertion \(A:\) \(5 f\) electrons can participate in bonding to a far greater extent than \(4 f\) electrons Reason \(R:\) \(5 f\) orbitals are not as buried as \(4 f\) orbitals In the light of the above statements, choose the correct answer from the options given below
- A Both \(A\) and \(R\) are true but \(R\) is NOT the correct explanation of \(A\)
- B Both \(A\) and \(R\) are true and \(R\) is the correct explanation of \(A\)
- C \(A\) is false but \(R\) is true
- D \(A\) is true but \(R\) is false
Answer & Solution
Correct Answer
(B) Both \(A\) and \(R\) are true and \(R\) is the correct explanation of \(A\)
Step-by-step Solution
Detailed explanation
\(5 f\) orbital not buried as \(4 f\) orbitals so \(e ^{-}\) present in \(5 f\) orbital experience less nuclear attraction than \(e ^{-}\)present in \(4 f\) orbital. Hence electrons of 5 f orbital can take part in bonding to a far greater extent.
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