Assertion : Many endothermic reactions that are not spontaneous a… - Vidyadip

MCQ

Assertion : Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature.
Reason : Entropy of the system increases with increase in temperature.

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
✓
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

✓

Answer

Correct option: B.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

b
The factor $T\Delta S$ increases with increase in temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 5. Thermodynamics and thermochemistry→5. Thermodynamics and thermochemistry — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

In acidic medium potassium dichromate acts as an oxidant according to the equation, $C{r_2}O_7^{2 - } + 14{H^ + } + 6{e^ - } \to 2C{r^{3 + }} + 7{H_2}O$. What is the equivalent weight of ${K_2}C{r_2}{O_7}$ ? (mol. Wt. $ = M$)

The $IUPAC$ name of $C_6H_5CH=CH-COOH$ is :

The total number of intensive properties from the following is $........$.

Volume, Molar heat capacity, Molarity, $E ^\theta$ cell, Gibbs free energy change, Molar mass, Mole

What is not true about homologous series?

A neutral atom of an element has a nucleus with nuclear charge 11 times and mass 23 times that of hydrogen. Write the electronic configuration of the element?

$36\, mL$ of pure water takes $100\, sec$ to evaporate from a vessel and heater connected to an electric source which delivers $806\, watt$. The $\Delta H_{vaporization}$ of $H_2O$ is.....$ kJ/mol$

The following concentrations were observed at $500 \mathrm{~K}$ for the formation of $\mathrm{NH}_3$ from $\mathrm{N}_2$ and $\mathrm{H}_2$. At equilibrium: $\left[\mathrm{N}_2\right\rfloor=2 \times 10^{-2}\ \mathrm{M},\left[\mathrm{H}_2\right\rfloor=3 \times 10^{-2}\ \mathrm{M}$ and $\left[\mathrm{NH}_3\right\rfloor=1.5 \times 10^{-2} \ \mathrm{M}$. Equilibrium constant for the reaction is________

Reactant $(A)$ is

How many stereo isomers are possible for the following molecule .

The $K _{\text {s }}$ of $Ag _2 CrO _4$ is $1.1 \times 10^{-12}$ at $298 K$. The solubility (in $mol / L$ ) of $Ag _2 CrO$, in a $0.1 M AgNO _2$, solution is