JEE Advanced 2021 Paper 1 Online | Coordination Compounds Question 5 | Chemistry

1

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

2

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

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

3

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

4

JEE Advanced 2014 Paper 2 Offline

MCQ (Single Correct Answer)

+3

-1

Match each coordination compound in List I with an appropriate pair of characteristics from List II and select the correct answer using the code given below the lists.

{en = H₂NCH₂CH₂NH₂; atomic numbers : Ti = 22, Cr = 24; Co = 27; Pt = 78}

List I		List II
P.	$$[Cr{(N{H_3})_3}C{l_2}]Cl$$	1.	Paramagnetic and exhibits ionisation isomerism.
Q.	$$[Ti{({H_2}O)_5}Cl]{(N{O_3})_2}$$	2.	Diamagnetic and exhibits cis-trans isomerism.
R.	$$[Pt(en)(N{H_3})Cl]N{O_3}$$	3.	Paramagnetic and exhibits cis-trans isomerism.
S.	$$[Co{(N{H_3})_4}{(N{O_3})_2}]N{O_3}$$	4.	Diamagnetic and exhibits ionisation isomerism.

A

P-4, Q-2, R-3, S-1

B

P-3, Q-1, R-4, S-2

C

P-2, Q-1, R-3, S-4

D

P-1, Q-3, R-4, S-2