1
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following reaction,

$$ 2 A_2(g)+B_2(g) \xrightarrow{T(\mathrm{~K})} 2 A_2 B(g)+600 \mathrm{~kJ} $$

The standard enthalpy of formation $\left(\Delta_f H^{\ominus}\right)$ of $A_2 B(g)$ is

A
$600 \mathrm{~kJ} \mathrm{~mol}^{-1}$
B
$300 \mathrm{~kJ} \mathrm{~mol}^{-1}$
C
$-300 \mathrm{~kJ} \mathrm{~mol}^{-1}$
D
$-600 \mathrm{~kJ} \mathrm{~mol}^{-1}$
2
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the molecule for which the enthalpy of atomisation ( $\Delta_a H^{\ominus}$ ) and bond dissociation enthalpy $\left(\Delta_{\text {bond }} H^{\ominus}\right)$ are not equal
A
$\mathrm{H}_2$
B
$\mathrm{Cl}_2$
C
$\mathrm{F}_2$
D
$\mathrm{CH}_4$
3
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Given below are two statements :

Statement I For isothermal irreversible change of an ideal gas, $q=-w=p_{\text {ext }}\left(V_{\text {final }}-V_{\text {initial }}\right)$

Statement II For adiabatic change, $\Delta U=w_{\text {adiabatic }}$

The correct answer is :

A
Both Statement I and Statement II are correct.
B
Both Statement I and Statement II are not correct.
C
Statement I is correct but Statement II is not correct.
D
Statement I is not correct but Statement II is correct.
4
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A thermodynamic process $(B \rightarrow E)$ was completed as shown below. The work done is equal to area under the limits AP EAPCET 2024 - 19th May Evening Shift Chemistry - Thermodynamics Question 8 English
A
AP EAPCET 2024 - 19th May Evening Shift Chemistry - Thermodynamics Question 8 English Option 1
B
AP EAPCET 2024 - 19th May Evening Shift Chemistry - Thermodynamics Question 8 English Option 2
C
AP EAPCET 2024 - 19th May Evening Shift Chemistry - Thermodynamics Question 8 English Option 3
D
ImageAP EAPCET 2024 - 19th May Evening Shift Chemistry - Thermodynamics Question 8 English Option 4
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