1
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following molecules/ions $\mathrm{NH}_4^{+}, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{OH}^{-}, \mathrm{CH}_3^{+}, \mathrm{H}^{+}, \mathrm{CO}, \mathrm{C}_2 \mathrm{H}_4$.

The number of Lewis bases in the above list is

A

2

B

3

C

4

D

5

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the pair of molecules which have same hybridisation as the hybridisation in xenon (II) fluoride.
A

$\mathrm{XeO}_3, \mathrm{SF}_4$

B

$\mathrm{BrF}_5, \mathrm{PF}_5$

C

$\mathrm{ClF}_3, \mathrm{SF}_4$

D

$\mathrm{PCl}_3, \mathrm{NH}_3$

3
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

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

4
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

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