Download App

5. Thermodynamics and thermochemistry — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry5. Thermodynamics and thermochemistry1 Mark
MCQ
Adsorption of gases on solid surface is generally exothermic because
  • A
    Enthalpy is positive
  • ✓
    Entropy decreases
  • C
    Entropy increases
  • D
    Free energy increase
✓

Answer

Correct option: B.
Entropy decreases
(b)Due to randomness of particles is reduced since entropy decreases.

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

Which compound would give 5-keto 2-methyl hexanal upon ozonolysis followed by reaction with $\frac{\text{Zn}}{\text{H}_2\text{O}}?$
→
Which of the following is a meso compound ?
→
Which of the following combination of reagents does not undergo redox reaction in aqueous medium?
→
Which one of the following elements shows both positive and negative oxidation states?
→
Ozonolysis of acetylene gives
→
If the reduction potential of three metals $A , B$ and C are $0.76 V, 1.5 V$ and -0.34 V respectively then which of the following statement is wrong?
→
The number of electrons that can be accommodated in $d{z^2}$ orbital is
→
In which of the following reaction, the value of ${K_p}$ will be equal to ${K_c}$
→
In the reaction The hybridisation states of carbon atoms $1, 2, 3, 4$ are

$_H^{Br} > \mathop C\limits_1  = \mathop C\limits_2  < _H^{Br}$ $\xrightarrow[{Catalyst}]{{{H_2}}}Br\mathop {C{H_2}}\limits_3 \mathop {C{H_2}}\limits_4 Br$

→
Structural formula for lewisite is
→