JEE Main 2021 (Online) 25th July Morning Shift | Coordination Compounds Question 74 | Chemistry

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JEE Main 2021 (Online) 25th July Morning Shift

MCQ (Single Correct Answer)

-1

Which one of the following species responds to an external magnetic field?

[Fe(H₂O)₆]³⁺

[Ni(CN)₄]^2$$-$$

[Co(CN)₆]^3$$-$$

[Ni(CO)₄]

JEE Main 2021 (Online) 25th July Morning Shift

MCQ (Single Correct Answer)

-1

Which one of the following compounds of Group-14 elements is not known?

[GeCl₆]^2$$-$$

[Sn(OH)₆]^2$$-$$

[SiCl₆]^2$$-$$

[SiF₆]^2$$-$$

JEE Main 2021 (Online) 20th July Evening Shift

MCQ (Single Correct Answer)

-1

Spin only magnetic moment of an octahedral complex of Fe²⁺ in the presence of a strong field ligand in BM is :

4.89

2.82

3.46

JEE Main 2021 (Online) 20th July Evening Shift

MCQ (Single Correct Answer)

-1

Which one of the following species doesn't have a magnetic moment of 1.73 BM, (spin only value)?

O$$_2^ + $$

CuI

[Cu(NH₃)₄]Cl₂

O$$_2^ - $$

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