Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: [CoCl(NH3)]2– absorbs at lover wavelength of light with respect to [Co(NH3)5(H2O)3– R

Question

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: [CoCl(NH3)]2– absorbs at lover wavelength of light with respect to [Co(NH3)5(H2O)3– Reason R: It is because the wavelength of the light absorbed depends on the oxidation state of the metal ion. in the light of the above statements, choose the correct answer from the options given below:

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

Prashant Kotian · Accepted Answer

Correct answer: D. Cl– is weaker than water  Cl– < H2O  Cl– > H2O oxidation state affects value of  as well as 

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