1
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the set containing isoelectronic species

A

$\mathrm{N}_2, \mathrm{O}_2^{2-}, \mathrm{NO}^{+}$

B

$\mathrm{N}_2, \mathrm{CO}, \mathrm{NO}^{+}$

C

$\mathrm{F}_2, \mathrm{O}_2^{2-}, \mathrm{N}_2$

D

$\mathrm{N}_2, \mathrm{O}_2^{2+}, \mathrm{C}_2$

2
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A molecules has T -shape. The total number of electron pairs in the valence shell of central atom of it is

A

4

B

5

C

6

D

3

3
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The sum of bond order values of $\mathrm{C}_2$ and $\mathrm{O}_2^{2+}$ is $x$, which is equal to sum of bond order values of $a, b$ and $c$. What are $a, b$ and $c$ ?
A

$\mathrm{O}_2^{-}, \mathrm{O}_2^{+}, \mathrm{O}_2$

B

$\mathrm{B}_2, \mathrm{~N}_2, \mathrm{~F}_2$

C

$\mathrm{He}_2^{+}, \mathrm{F}_2, \mathrm{~N}_2$

D

$\mathrm{O}_2^{2-}, \mathrm{N}_2, \mathrm{Be}_2$

4
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many of the following molecules have two lone pairs of electrons on central atom?

$\mathrm{SF}_6, \mathrm{BF}_3, \mathrm{ClF}_3, \mathrm{PCl}_5, \mathrm{BrF}_5, \mathrm{XeF}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{SF}_4$

A

5

B

4

C

3

D

2

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