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

The uncertainty in the velocities of two particles $A$ and $B$ are 0.03 and $0.01 \mathrm{~ms}^{-1}$ respectively. The mass of $B$ is four times to the mass of $A$. The ratio of uncertainties in their positions is

A

$\frac{4}{3}$

B

$\frac{3}{4}$

C

$\frac{16}{9}$

D

$\frac{9}{16}$

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

The total maximum number of electrons possible in $3 d$. $6 d, 5 s$ and $4 f$ orbitals with $m_l$ (magnetic quantum number) value -2 is

A

6

B

8

C

10

D

12

3
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The period and group numbers of the element having maximum electronegativity in the long form of periodic table respectively, are

A

2,17

B

3,17

C

1,18

D

2,16

4
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

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