JEE Main 2023 (Online) 25th January Evening Shift | Coordination Compounds Question 44 | Chemistry | JEE Main - ExamSIDE.com

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1

JEE Main 2023 (Online) 25th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Match List I with List II

	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

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

B

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

C

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

D

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

2

JEE Main 2023 (Online) 25th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

A chloride salt solution acidified with dil.HNO$$_3$$ gives a curdy white precipitate, [A], on addition of AgNO$$_3$$. [A] on treatment with NH$$_4$$OH gives a clear solution B. A and B are respectively

A

$$\mathrm{H[AgCl_3]~\&~(NH_4)[Ag(OH)_2]}$$

B

$$\mathrm{AgCl~\&~[Ag(NH_3)_2]Cl}$$

C

$$\mathrm{H[AgCl_3]~\&~[Ag(NH_3)_2]Cl}$$

D

$$\mathrm{AgCl~\&~(NH_4)[Ag(OH)_2]}$$

3

JEE Main 2023 (Online) 24th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

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

A

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

B

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

C

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

D

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

4

JEE Main 2023 (Online) 24th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

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

A

The order of spectrochemical series

B

Stability of metal complexes

C

Magnetic properties of transition metal complexes

D

Colour of metal complexes

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