1
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I: $$\mathrm{PF}_5$$ and $$\mathrm{BrF}_5$$ both exhibit $$\mathrm{sp}^3 \mathrm{~d}$$ hybridisation.

Statement II: Both $$\mathrm{SF}_6$$ and $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ exhibit $$\mathrm{sp}^3 \mathrm{~d}^2$$ hybridisation.

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

A
Both Statement I and Statement II are false
B
Statement I is true but Statement II is false
C
Statement I is false but Statement II is true
D
Both Statement I and Statement II are true
2
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

Match List I with List II.

LIST I
Tetrahedral Complex
LIST II
Electronic configuration
A. $$
\mathrm{TiCl}_4
$$
I. $$
\mathrm{e}^2, \mathrm{t}_2^0
$$
B. $$
\left[\mathrm{FeO}_4\right]^{2-}
$$
II. $$
\mathrm{e^4, t_2^3}
$$
C. $$
\left[\mathrm{FeCl}_4\right]^{-}
$$
III. $$
\mathrm{e}^0, \mathrm{t}_2^0
$$
D. $$
\left[\mathrm{CoCl}_4\right]^{2-}
$$
IV. $$
\mathrm{e}^2, \mathrm{t}_2^3
$$

Choose the correct answer from the options given below :

A
(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
B
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
C
(A)-(I), (B)-(III), (C)-(IV), (D)-(II)
D
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
3
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

The correct IUPAC name of $$[\mathrm{PtBr}_2(\mathrm{PMe}_3)_2]$$ is :

A
bis(trimethylphosphine)dibromoplatinum(II)
B
dibromodi(trimethylphosphine)platinum(II)
C
dibromobis(trimethylphosphine)platinum(II)
D
bis[bromo(trimethylphosphine)]platinum(II)
4
JEE Main 2024 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1

Consider the following complexes

(A) $$\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+}$$, (B) $$\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$$, (C) $$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{H}_2 \mathrm{O}\right)\right]^{3+} $$, (D) $$\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_4\right]^{2+}$$

The correct order of A, B, C and D in terms of wavenumber of light absorbed is :

A
D < A < C < B
B
B < C < A < D
C
C < D < A < B
D
A < C < B < D
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