Download App

STD 11 - 5. Thermodynamics and thermochemistry — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 5. Thermodynamics and thermochemistry4 Marks
MCQ
For the spontaniety of reaction, which statement is always true?
  • A
    $\Delta G =  + ve:\,\Delta H =  + ve:$
  • B
    $\Delta H =  + ve:\,\Delta S =  - ve:$
  • C
    $\Delta H =  - ve:\,\Delta S =  - ve:$
  • ✓
    $\Delta H =  - ve:\,\Delta S =  + ve:$
✓

Answer

Correct option: D.
$\Delta H =  - ve:\,\Delta S =  + ve:$
d

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

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following species is the least stable
→
$+\, CH_3SNa$ $\xrightarrow{{{C_2}{H_5}OH}}$ ?

The product formed is

→
Which one of the following alcohols reacts instantaneously with Lucas reagent?
→
$BCl_3 + H_2O \longrightarrow$ Product, here product
→
Group comprising of all metals is
→
In ${K_4}Fe{\left( {CN} \right)_6},$ $Fe$ is in the form of
→
Which of the following set of molecules give same osazone when reacted with excess of phenylhydrazine
→
An acidified solution of $0.05 \ce{MZn}^{2+}$ is saturated with $0.1 \ce{MH_2S}$. What is the minimum molar concentration $(M)$ of $H ^{+}$ required to prevent the precipitation of $\ce{ZnS}$ ? Use $K_{ sp }( ZnS )=1.25 \times 10^{-22}$ and Overall dissociation constant of $\ce{H_2S} , \ce{K}_{\ce{NET}}=K_1 K_2=1 \times 10^{-21}$
→
When oxygen is passed through a solution of $N{a_2}S{O_3}$ we get
→
The total number of isomers for a square planar complex $[M(F)(Cl)(SCN (NO_2)]$ is
→