JEE Main 2024 (Online) 1st February Morning Shift | Coordination Compounds Question 112 | Chemistry

JEE Main 2024 (Online) 1st February Morning Shift

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement (I) : A solution of $\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$ is green in colour.

Statement (II) : A solution of $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ is colourless.

In the light of the above statements, choose the most appropriate answer from the options given below :

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

JEE Main 2024 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

Select the option with correct property -

$$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$$ and $$\left[\mathrm{NiCl}_4\right]^{2-}$$ both Paramagnetic

$$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$$ and $$\left[\mathrm{NiCl}_4\right]^{2-}$$ both Diamagnetic

$$\left[\mathrm{NiCl}_4\right]^{2-}$$ Diamagnetic, $$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$$ Paramagnetic

$$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$$ Diamagnetic, $$\left[\mathrm{NiCl}_4\right]^{2-}$$ Paramagnetic

JEE Main 2024 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

Match List I with List II

	List - I (Complex ion)		List - II (Electronic Configuration)
(A)	$$\mathrm{[Cr(H_2O)_6]^{3+}}$$	(I)	$$t_{2 g}{ }^2 e_g^0$$
(B)	$$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$$	(II)	$$t_{2 g}{ }^3 e_g{ }^0$$
(C)	$$\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$$	(III)	$$t_{2 g}{ }^3 e_g{ }^2$$
(D)	$$\left[\mathrm{V}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$$	(IV)	$$t_{2 g}{ }^6 e_g^2$$

Choose the correct answer from the options given below:

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

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

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

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

JEE Main 2024 (Online) 31st January Morning Shift

MCQ (Single Correct Answer)

-1

The correct statements from following are:

A. The strength of anionic ligands can be explained by crystal field theory.

B. Valence bond theory does not give a quantitative interpretation of kinetic stability of coordination compounds.

C. The hybridization involved in formation of $$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$ complex is $$\mathrm{dsp}^2$$.

D. The number of possible isomer(s) of cis- $$\left[\mathrm{PtCl}_2(\mathrm{en})_2\right]^{2+}$$ is one

Choose the correct answer from the options given below:

B, C only

B, D only

A, C only

A, D only

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