1
JEE Main 2025 (Online) 3rd April Morning Shift
MCQ (Single Correct Answer)
+4
-1

$$ \text { Match the LIST-I with LIST-II } $$

LIST-I
(Molecules/ion)
LIST-II
(Hybridisation of central atom)
A. $$
\mathrm{PF}_5
$$
I $$
\mathrm{dsp}^2
$$
B $$
\mathrm{SF}_6
$$
II $$
\mathrm{sp}^3 \mathrm{~d}
$$
C $$
\mathrm{Ni}(\mathrm{CO})_4
$$
III $$
\mathrm{sp}^3 \mathrm{~d}^2
$$
D $$
\left[\mathrm{PtCl}_4\right]^{2-}
$$
IV $$
\mathrm{sp}^3
$$

$$ \text { Choose the correct answer from the options given below: } $$

A
A-IV, B-I, C-II, D-III
B
A-III, B-I, C-IV, D-II
C
A-II, B-III, C-IV, D-I
D
A-I, B-II, C-III, D-IV
2
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
The type of hybridization and the magnetic property of $\left[\mathrm{MnCl}_6\right]^{3-}$ are,
A
$s p^3 d^2$, paramagnetic with four unpaired electrons.
B
$d^2 s p^3$, paramagnetic with four unpaired electrons.
C
$\mathrm{sp}^3 \mathrm{~d}^2$, paramagnetic with two unpaired electrons.
D
$\mathrm{d}^2 \mathrm{sp}^3$, paramagnetic with two unpaired electrons.
3
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
The d-orbital electronic configuration of the complex among $\left[\mathrm{Co}(\mathrm{en})_3\right]^{3+},\left[\mathrm{CoF}_6\right]^{3-}$, $\left[\mathrm{Mn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$ and $\left[\mathrm{Zn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$ that has the highest CFSE is :
A
$t_{2 g}{ }^6 e_g^0$
B
$t_{2 g}{ }^3 e_g^2$
C
$\mathrm{t}_{2 \mathrm{~g}}{ }^4 \mathrm{e}_{\mathrm{g}}{ }^2$
D
$t_{2 g}{ }^6 e_g^4$
4
JEE Main 2025 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement (I) : In octahedral complexes, when $\Delta_0<\mathrm{P}$ high spin complexes are formed. When $\Delta_0>P$ low spin complexes are formed.

Statement (II) : In tetrahedral complexes because of $\Delta_t

In the light of the above statements, choose the most appropriate answer from the options given below :

A
Both Statement I and Statement II are incorrect
B
Statement I is correct but Statement II is incorrect
C
Statement I is incorrect but Statement II is correct
D
Both Statement I and Statement II are correct
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