1
JEE Main 2022 (Online) 28th June Morning Shift
+4
-1

Given below are two statements :

Statement I : [Ni(CN)4]2$$-$$ is square planar and diamagnetic complex, with dsp2 hybridization for Ni but [Ni(CO)4] is tetrahedral, paramagnetic and with sp3-hybridication for Ni.

Statement II : [NiCl4]2$$-$$ and [Ni(CO)4] both have same d-electron configuration have same geometry and are paramagnetic.

In light the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are true.
B
Both Statement I and Statement II are false.
C
Statement I is correct but Statement II is false.
D
Statement I is false but Statement II is correct.
2
JEE Main 2022 (Online) 28th June Morning Shift
+4
-1

The formula of the purple colour formed in Laissaigne's test for sulphur using sodium nitroprusside is

A
NaFe[Fe(CN)6]
B
Na[Cr(NH3)2(NCS)4]
C
Na2[Fe(CN)5(NO)]
D
Na4[Fe(CN)5(NOS)]
3
JEE Main 2022 (Online) 27th June Evening Shift
+4
-1

Arrange the following coordination compounds in the increasing order of magnetic moments. (Atomic numbers : Mn = 25; Fe = 26)

A. [FeF6]3$$-$$

B. [Fe(CN)6]3$$-$$

C. [MnCl6]3$$-$$ (high spin)

D. [Mn(CN)6]3$$-$$

Choose the correct answer from the options given below :

A
A < B < D < C
B
B < D < C < A
C
A < C < D < B
D
B < D < A < C
4
JEE Main 2022 (Online) 27th June Morning Shift
+4
-1

Which of the following will have maximum stabilization due to crystal field?

A
[Ti(H2O)6]3+
B
[Co(H2O)6]2+
C
[Co(CN)6]3$$-$$
D
[Cu(NH3)4]2+
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