JEE Main 2023 Chemistry question

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The spin only magnetic moment value for is 1.74 BM, whereas for is 5.92 BM. Reason B: In both complexes, Fe is present in +3 oxidation state. In the light of the above statements, choose the correct answer from the options given below:

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