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1
JEE Main 2024 (Online) 9th April Morning Shift
MCQ (Single Correct Answer)
+4
-1

In which one of the following pairs the central atoms exhibit $$\mathrm{sp}^2$$ hybridization ?

A
$$\mathrm{BF}_3$$ and $$\mathrm{NO}_2^{-}$$
B
$$\mathrm{NH}_2^{-}$$ and $$\mathrm{BF}_3$$
C
$$\mathrm{NH}_2^{-}$$ and $$\mathrm{H}_2 \mathrm{O}$$
D
$$\mathrm{H}_2 \mathrm{O}$$ and $$\mathrm{NO}_2$$
2
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

The shape of carbocation is :

A
tetrahedral
B
diagonal pyramidal
C
diagonal
D
trigonal planar
3
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

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
$$\psi_{\mathrm{A}}+\psi_{\mathrm{B}}$$
4
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1

Match List I with List II

LIST I
(Molecule)		 LIST II
(Shape)
A. $$\mathrm{NH_3}$$ I. Square pyramid
B. $$\mathrm{BrF_5}$$ II. Tetrahedral
C. $$\mathrm{PCl_5}$$ III. Trigonal pyramidal
D. $$\mathrm{CH_4}$$ IV. Trigonal bipyramidal

Choose the correct answer from the options given below:

A
A-II, B-IV, C-I, D-III
B
A-III, B-I, C-IV, D-II
C
A-IV, B-III, C-I, D-II
D
A-III, B-IV, C-I, D-II
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