1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

For an endothermic reaction:

(A) $$\mathrm{q}_{\mathrm{p}}$$ is negative.

(B) $$\Delta_{\mathrm{r}} \mathrm{H}$$ is positive.

(C) $$\Delta_r \mathrm{H}$$ is negative.

(D) $$\mathrm{q}_{\mathrm{p}}$$ is positive.

Choose the correct answer from the options given below:

A
B and D
B
C and D
C
A and B
D
A and C
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

For the following reaction at $$300 \mathrm{~K}$$

$$\mathrm{A}_2(\mathrm{~g})+3 \mathrm{~B}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AB}_3(\mathrm{~g})$$

the enthalpy change is $$+15 \mathrm{~kJ}$$, then the internal energy change is :

A
$$19988.4 \mathrm{~J}$$
B
$$200 \mathrm{~J}$$
C
$$1999 \mathrm{~J}$$
D
$$1.9988 \mathrm{~kJ}$$
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

In which of the following processes entropy increases?

A. A liquid evaporates to vapour.

B. Temperature of a crystalline solid lowered from $$130 \mathrm{~K}$$ to $$0 \mathrm{~K}$$.

C. $$2 \mathrm{NaHCO}_{3(\mathrm{~s})} \rightarrow \mathrm{Na}_2 \mathrm{CO}_{3(\mathrm{~s})}+\mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$$

D. $$\mathrm{Cl}_{2(g)} \rightarrow 2 \mathrm{Cl}_{(g)}$$

Choose the correct answer from the options given below:

A
A and C
B
A, B and D
C
A, C and D
D
C and D
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Match List I with List II.

List I
(Process)
List II
(Conditions)
A. Isothermal process I. No heat exchange
B. Isochoric process II. Carried out at constant temperature
C. Isobaric process III. Carried out at constant volume
D. Adiabatic process IV. Carried out at constant pressure

Choose the correct answer from the options given below:

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