1
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

Among the following, the strongest nucleophile in aqueous medium is

A

$\mathrm{OH}^{-}$

B

$\mathrm{CN}^{-}$

C

$\mathrm{NH}_3$

D

$\mathrm{H}_2 \mathrm{O}$

2
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

Which of the following ethers cannot be prepared efficiently by Williamson synthesis?

A

Ethyl phenyl ether

B

Methyl tert-butyl ether

C

n-butyl methyl ether

D

Benzyl propyl ether

3
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

Among the following, the species having same bond order are

A

$\mathrm{NO}^{+}$and $\mathrm{CN}^{-}$

B

CO and $\mathrm{O}_2^{-}$

C

$\mathrm{O}_2^{-}$and NO

D

$\mathrm{CN}^{-}$and $\mathrm{O}_2$

4
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

Arrange the energy of $2 s$ orbitals in increasing order for the atoms $\mathrm{C}, \mathrm{B}, \mathrm{N}$ and O .

A

$E_{2 s}(\mathrm{O}) < E_{2 s}(\mathrm{~N}) < E_{2 s}(\mathrm{C}) < E_{2 s}(\mathrm{~B})$

B

$E_{2 s}(\mathrm{~B}) < E_{2 s}(\mathrm{C}) < E_{2 s}(\mathrm{~N}) < E_{2 s}(\mathrm{O})$

C

$E_{2 s}(\mathrm{~N})< E_{2 s}(\mathrm{O})< E_{2 s}(\mathrm{~B})< E_{2 s}(\mathrm{C})$

D

$E_{2 s}(\mathrm{C})< E_{2 s}(\mathrm{~B})< E_{2 s}(\mathrm{O})< E_{2 s}(\mathrm{~N})$

VITEEE Papers

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