JEE Main 2023 (Online) 25th January Evening Shift | Coordination Compounds Question 89 | Chemistry

	List I Coordination entity		List II Wavelength of light absorbed in nm
A.	$$\mathrm{[CoCl(NH_3)_5]^{2+}}$$	I.	310
B.	$$\mathrm{[Co(NH_3)_6]^{3+}}$$	II.	475
C.	$$\mathrm{[Co(CN)_6]^{3-}}$$	III.	535
D.	$$\mathrm{[Cu(H_2O)_4]^{2+}}$$	IV.	600

Choose the correct answer from the options given below :

A-IV, B-I, C-III, D-II

A-III, B-II, C-I, D-IV

A-III, B-I, C-II, D-IV

A-II, B-III, C-IV, D-I

JEE Main 2023 (Online) 24th January Evening Shift

MCQ (Single Correct Answer)

-1

The hybridization and magnetic behaviour of cobalt ion in $$\mathrm{[Co(NH_3)_6]^{3+}}$$ complex, respectively is :

$$\mathrm{sp^3d^2}$$ and paramagnetic

$$\mathrm{sp^3d^2}$$ and diamagnetic

$$\mathrm{d^2sp^3}$$ and diamagnetic

$$\mathrm{d^2sp^3}$$ and paramagnetic

JEE Main 2023 (Online) 24th January Evening Shift

MCQ (Single Correct Answer)

-1

Which of the following cannot be explained by crystal field theory?

The order of spectrochemical series

Stability of metal complexes

Magnetic properties of transition metal complexes

Colour of metal complexes

JEE Main 2023 (Online) 24th January Morning Shift

MCQ (Single Correct Answer)

-1

The primary and secondary valencies of cobalt respectively in $$\mathrm{[Co(NH_3)_5Cl]Cl_2}$$ are :

2 and 8

2 and 6

3 and 5

3 and 6

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