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

The correct order of the non-metallic character among the elements $\mathrm{B}, \mathrm{C}, \mathrm{N}, \mathrm{F}$ and Si is

A

$\mathrm{B}>\mathrm{C}>\mathrm{Si}>\mathrm{N}>\mathrm{F}$

B

$\mathrm{Si}>\mathrm{C}>\mathrm{B}>\mathrm{N}>\mathrm{F}$

C

$\mathrm{F}>\mathrm{N}>\mathrm{C}>\mathrm{B}>\mathrm{Si}$

D

$\mathrm{F}>\mathrm{N}>\mathrm{C}>\mathrm{Si}>\mathrm{B}$

2
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

3
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The pair of molecules / ions with the same bond order value is

A

$\mathrm{B}_2, \mathrm{C}_2$

B

$\mathrm{O}_2, \mathrm{C}_2$

C

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

D

$\mathrm{H}_2^{+}, \mathrm{Li}_2$

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

At what temperature (in K ) the rms velocity of $\mathrm{SO}_2$ molecules is equal to rms velocity of $\mathrm{O}_2$ molecules at $27^{\circ} \mathrm{C}$ ?

A

300

B

1200

C

600

D

900