JEE Advanced 2022 Paper 1 Online | Coordination Compounds Question 3 | Chemistry

1

JEE Advanced 2022 Paper 1 Online

MCQ (Single Correct Answer)

+3

-1

LIST-I contains metal species and LIST-II contains their properties.

List-I	List-II
(I) $\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]^{4-}$	(P) $t_{2 \mathrm{g}}$ orbitals contain 4 electrons
(II) $\left[\mathrm{RuCl}_{6}\right]^{2-}$	(Q) $\mu$ (spin-only $)=4.9 \mathrm{BM}$
(III) $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$	(R) low spin complex ion
(IV) $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$	(S) metal ion in $4+$ oxidation state
	(T) $d^{4}$ species

[Given: Atomic number of $\mathrm{Cr}=24, \mathrm{Ru}=44, \mathrm{Fe}=26$ ]

Match each metal species in LIST-I with their properties in LIST-II, and choose the correct option

A

I $\rightarrow$ R, T; II $\rightarrow$ P, S; III $\rightarrow$ Q, T; IV $\rightarrow$ P, Q

B

I $\rightarrow$ R, S; II $\rightarrow$ P, T; III $\rightarrow$ P, Q; IV $\rightarrow$ Q, T

C

I $\rightarrow$ P, R; II $\rightarrow$ R, S; III $\rightarrow$ R, T; IV $\rightarrow$ P, T

D

I $\rightarrow$ Q, T; II $\rightarrow$ S, T; III $\rightarrow$ P, T; IV $\rightarrow$ Q, R

2

JEE Advanced 2021 Paper 1 Online

MCQ (Single Correct Answer)

+3

-1

The calculated spin only magnetic moments of [ Cr(NH₃)₆]³⁺ and [CuF₆]3^$$-$$ in BM, respectively, are

(Atomic numbers of Cr and Cu are 24 and 29, respectively)

A

3.87 and 2.84

B

4.90 and 1.73

C

3.87 and 1.73

D

4.90 and 2.84

3

JEE Advanced 2018 Paper 2 Offline

MCQ (Single Correct Answer)

+3

-0.75

Match each set of hybrid orbitals from LIST - A with complex(es) given in LIST - B

	List - A		List - B
P.	dsp²	1.	[FeF₆]^4-
Q.	sp³	2.	[Ti(H₂O)₃Cl₃]
R.	sp³d²	3.	[Cr(NH₃)₆]³⁺
S.	d²sp³	4.	[FeCl₄]^2-
		5.	Ni(CO)₄
		6.	[Ni(CN)₄]^2-

The correct option is

A

$$P - 5;Q - 4,6;R - 2,3;S - 1$$

B

$$P - 5,6;Q - 4;R - 3;S - 1,2$$

C

$$P - 6;Q - 4,5;R - 1;S - 2,3$$

D

$$P - 4,6;Q - 5,6;R - 1,2;S - 3$$

4

JEE Advanced 2016 Paper 1 Offline

MCQ (Single Correct Answer)

+3

-1

Among [Ni(CO)₄], [NiCl₄]^2$$-$$, [Co(NH₃)₄)Cl₂]Cl, Na₃[CoF₆], Na₂O₂ and CsO₂, the total number of paramagnetic compound is

A

2

B

3

C

4

D

5