1
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$a, b, c, d$ are electromagnetic radiations. Frequencies of $a, b$ are $3 \times 10^{15} \mathrm{~Hz}, 2 \times 10^{14} \mathrm{~Hz}$, respectively, whereas wavelength of $c, d$ are $400 \mathrm{~nm}, 750 \mathrm{~nm}$, respectively. The increasing order of their energies is

A

$b, d, c, a$

B

$a, d, c, b$

C

$a, b, c, d$

D

$b, c, d, a$

2
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The number of electrons with magnetic quantum number, $m_l=0$ in the elements with atomic numbers $Z=24$ and $Z=29$ are respectively.

A

12,13

B

12,12

C

13,12

D

14,15

3
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following orders is not correct for the given property?

A

$\mathrm{Li}<\mathrm{Na}<\mathrm{K}$ - metallic radius

B

$\mathrm{Br}<\mathrm{F}<\mathrm{Cl}$ - electron gain enthalpy

C

$\mathrm{C}<\mathrm{N}<\mathrm{O}$ - first ionisation enthalpy

D

$\mathrm{Mg}^{2+}<\mathrm{Na}^{+}<\mathrm{F}^{-}$- ionic radius

4
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

$$
\begin{gathered}
\text { List-I } \\
\text { (Molecule) }
\end{gathered}
$$
List-II
(Dipole moment in D)
(A) $$
\mathrm{HCl}
$$
(I) 1.85
(B) $$
\mathrm{NH}_3
$$
(II) 1.07
(C) $$
\mathrm{H}_2 \mathrm{O}
$$
(III) 0.23
(D) $$
\mathrm{NF}_3
$$
(IV) 1.47

The correct answer is

A

A-II, B-IV, C-I, D-III

B

A-IV, B-III, C-I, D-II

C

A-II, B-I, C-IV, D-III

D

A-III, B-II, C-IV, D-I