1
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the incorrect order against the stated property.
A

$\mathrm{Ge}>\mathrm{Sn}>\mathrm{Pb}$ - Ionisation enthalpy

B

$\mathrm{Ge}>\mathrm{Pb}>\mathrm{Sn}$ - Melting point

C

$\mathrm{Pb}>\mathrm{Sn}>\mathrm{Ge}-$ Density

D

$\mathrm{Ge}>\mathrm{Pb}>\mathrm{Sn}$ - Electrical resistivity

2
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Among the following compounds, which one is not responsible for the depletion of ozone layer?

A

$\mathrm{CH}_4$

B

$\mathrm{CFCl}_3$

C

NO

D

$\mathrm{Cl}_2$

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

Which method is used to purify liquids having very high boiling points and liquids which decompose at or below their boiling point?

A

Distillation

B

Fractional distillation

C

Distillation under reduced pressure

D

Steam distillation

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

What are $X, Y, Z$ in the following reaction sequence?

But-2-ene $\xrightarrow{X}$ Ethanoic acid $\xrightarrow{Y}$ Ethanoyl chloride $\xrightarrow[\text { Anhy. } \mathrm{AlCl}_3]{\text { Benzene }} Z$

A

$\mathrm{KMnO}_4 / \mathrm{H}^{+} ; \mathrm{SOCl}_2$; Acetophenone

B

$\mathrm{KMnO}_4 / \mathrm{H}^{+} ; \mathrm{Cl}_2 ;$ Propiophenone

C

Cold $\mathrm{KMnO}_4 ; \mathrm{SOCl}_2 ;$ Propiophenone

D

$\mathrm{Cold} \mathrm{KMnO}_4 ; \mathrm{Cl}_2 ;$ Acetophenone