MCQ
Raising the temperature of an equilibrium system
- AFavours the exothermic reaction only
- ✓Favours the endothermic reaction only
- CFavours both the exothermic and endothermic reactions
- DFavours neither the exothermic nor endothermic reactions
✓
Answer
Correct option: B.
Favours the endothermic reaction only
(b)According to Le chatelier’s principle.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
How many $g$ of a dibasic acid (Mol. wt. $= 200$) should be present in $100 \,ml$ of its aqueous solution to give decinormal strength ............ $\mathrm{g}$
→Among the following least and most metallic element will be respectively :
$(I)$ $[He]\, 2s^1$ $(II)$ $[Kr]\,5s^2\,4d^{10}\,5p^5$
$(III)$ $[Xe]\,6s^1$ $(IV)$ $[He]\,2s^2\,2p^5$
→$(I)$ $[He]\, 2s^1$ $(II)$ $[Kr]\,5s^2\,4d^{10}\,5p^5$
$(III)$ $[Xe]\,6s^1$ $(IV)$ $[He]\,2s^2\,2p^5$
Keeping in view the periodic law and the periodic table suggest which of the following elements should have the maximum electronegative character
$\ce{I.P}$. of sodium is $\ce{5.14 eV}$ then $\ce{I.P.}$ of potassium will be :
→Total number of electrons in $“Cu”$ atom having $m_l = 0$
→Which of the following species has the highest electron affinity
The ionic radii of $\mathrm{K}^{+}, \mathrm{Na}^{+}, \mathrm{Al}^{3+}$ and $\mathrm{Mg}^{2+}$ are in the order:
→The entropy versus temperature plot for phases $\alpha$ and $\beta$ at 1 bar pressure is given. $S_{\mathrm{T}}$ and $S_0$ are entropies of the phases at temperatures $\mathrm{T}$ and $0 \mathrm{~K}$, respectively.
→(image)
The transition temperature for $\alpha$ to $\beta$ phase change is $600 \mathrm{~K}$ and $C_{p, \beta}-C_{p, \alpha}=1 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$. Assume $\left(C_{p, \beta}-C_{p, \alpha}\right)$ is independent of temperature in the range of 200 to $700 \mathrm{~K} . \mathrm{C}_{p, \alpha}$ and $C_{p, \beta}$ are heat capacities of $\alpha$ and $\beta$ phases, respectively.
($1$)The value of entropy change, $\mathrm{S}_\beta-\mathrm{S}_\alpha$ (in $\mathrm{J} \mathrm{mol}^{-1} \mathrm{~K}^{-1}$ ), at $300 \mathrm{~K}$ is. . . . . . .
[Use : $\ln 2=0.69$ Given : $S_\beta-S_\alpha=0$ at $\left.0 \mathrm{~K}\right]$
($2$) The value of enthalpy change, $\mathrm{H}_\beta-\mathrm{H}_\alpha$ (in $J$ mol ${ }^{-1}$ ), at $300 \mathrm{~K}$ is
Give the answer quetion ($1$) and ($2$)
The charge of an electron is $ - 1.6 \times {10^{ - 19}}C.$ The value of free charge on $L{i^ + }$ ion will be
→The reaction of toluene with $Cl_2$ in presence of $FeCl_3$ gives $X$ and reaction in presence of light gives $Y.$ Thus, $X$ and $Y$ are
→