1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is effective atomic number of $$\mathrm{Pt}$$ in $$\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_4\right]^{2+}$$ ? (Given atomic number of $$\mathrm{Pt}=78$$)

A
76
B
84
C
72
D
86
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following complexes is diamagnetic and square planar?

A
$$\left[\mathrm{CoF}_6\right]^{3-}$$
B
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$
C
$$\left[\mathrm{NiCl}_4\right]^{2-}$$
D
$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the number of unpaired electrons present and geometry respectively of [Co(NH$$_3$$)$$_6$$]$$^{3+}$$ complex.

A
0, square planar
B
2, square planar
C
4, octahedral
D
0, octahedral
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements about $$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$ is $$\underline{\text { NOT }}$$ true?

A
In this electrons are paired prior to hybridization.
B
Ni undergoes $$\mathrm{dsp}^2$$ hybridization.
C
Oxidation state of $$\mathrm{Ni}$$ is +6 .
D
It is a square planar complex.
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12