1
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I
(Complex ion)
LIST II
(Spin only magnetic moment in B.M.)
A. $$
\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_6\right]^{3+}
$$
I. 4.90
B. $$
\left[\mathrm{NiCl}_4\right]^{2-}
$$
II. 3.87
C. $$
\left[\mathrm{CoF}_6\right]^{3-}
$$
III. 0.0
D. $$
\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}
$$
IV. 2.83

Choose the correct answer from the options given below :

A
(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
B
(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
C
(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
D
(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
2
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one the following compounds will readily react with dilute $$\mathrm{NaOH}$$ ?

A
$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OH}$$
B
$$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$$
C
$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}$$
D
$$\left(\mathrm{CH}_3\right)_3 \mathrm{COH}$$
3
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The shape of carbocation is :

A
tetrahedral
B
diagonal pyramidal
C
diagonal
D
trigonal planar
4
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

When $$\psi_{\mathrm{A}}$$ and $$\psi_{\mathrm{B}}$$ are the wave functions of atomic orbitals, then $$\sigma^*$$ is represented by :

A
$$\psi_A+2 \psi_B$$
B
$$\psi_{\mathrm{A}}-\psi_{\mathrm{B}}$$
C
$$\psi_A-2 \psi_B$$
D
$$\psi_{\mathrm{A}}+\psi_{\mathrm{B}}$$
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