Given below are two statements.... | JEE Main

JEE MAIN 2023

11-4-2023 S2

Question

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: $\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+}$ absorbs at lower wavelength of light with respect to $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{H}_2 \mathrm{O}\right)\right]^{3+}$ Reason R: It is because the wavelength of the light absorbed depends on the oxidation state of the metal ion.

Select the correct option:

A is false but R is true.

A is true but R is false.

Both A and R are true and R is the correct explanation of A.

Both A and R are true and R is NOT the correct explanation of A.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution