1
JEE Main 2024 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ and $\left[\mathrm{CoF}_6\right]^{3-}$ are respectively known as :
A
Inner orbital Complex, Spin paired Complex
B
Spin paired Complex, Spin free Complex
C
Spin free Complex, Spin paired Complex
D
Outer orbital Complex, Inner orbital Complex
2
JEE Main 2024 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement (I) : Dimethyl glyoxime forms a six-membered covalent chelate when treated with $\mathrm{NiCl}_2$ solution in presence of $\mathrm{NH}_4 \mathrm{OH}$.

Statement (II) : Prussian blue precipitate contains iron both in $(+2)$ and $(+3)$ oxidation states.

In the light of the above statements, choose the most appropriate answer from the options given below :
A
Statement I is false but Statement II is true
B
Both Statement I and Statement II are true
C
Statement I is true but Statement II is false
D
Both Statement I and Statement II are false
3
JEE Main 2024 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds show colour due to d-d transition?
A
$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$
B
$\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$
C
$\mathrm{KMnO}_4$
D
$\mathrm{K}_2 \mathrm{CrO}_4$
4
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following complex is homoleptic?
A
$\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$
B
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$
C
$\left[\mathrm{Fe}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$
D
$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
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