1
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

Select the correct statement about the complex [Co(NH3)5SO4] Br.

A
Its ionisation isomer is [Co(NH3)5Br]SO4.
B
It gives yellow precipitate with AgNO3
C
Its ionisation isomer give while precipitate with BaCl2
D
All the above are correct statements.
2
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

Permanganate ion (MnO$$_4^ - $$) is dark purple coloured though Mn is in + 7 oxidation state with d0 configuration. This is due to

A
d-d transition
B
charge transfer from metal to ligand
C
charge transfer from ligand to metal
D
All of the above
3
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

Which is true in case of [Ni(CO)4]?

A
Hybridisation of Ni is sp3
B
Hybridisation of Ni is dsp2
C
Paramagnetic
D
Square planar
4
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

Magnetic moment of in [Co(F6)]2$$-$$ of unpaired electron .......... .

A
$$\sqrt{35}$$
B
$$\sqrt{45}$$
C
$$\sqrt{40}$$
D
$$\sqrt{30}$$
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