MCQ
Which function of $[X]$ plotted against time, will give straight line for a second order reaction? $X \to $ Product
- A$[X]$
- B$[X]^2$
- C$\ln\,[X]$
- ✓$\frac{1}{[X]}$
$\int_{x_{0}}^{x}-\frac{d x}{\mid X]^{2}}=\int_{0}^{t} k d t$
$=>\frac{1}{[X]}-\frac{1}{\left[X_{0}\right]}=k t$
or $\frac{1}{[X]}=k t+\frac{1}{\left[X_{0}\right]}$
Hence plot of $\frac{1}{X}$ against time will be a straight line
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$(a)$ ${CrO}_{3}$ $(b)$ ${Fe}_{2} {O}_{3}$ $(c)$ ${MnO}_{2}$ $(d)$ ${V}_{2} {O}_{5}$ $(e)$ ${Cu}_{2} {O}$
For a certain quantity of reactants, if the volume of the reaction vessel is reduced by a factor of $3,$ the rate of the reaction increases by a factor of $.....$. (Round off to the Nearest Integer).
Assertion $A$: $\mathrm{pK}_{\mathrm{a}}$ value of phenol is $10.0$ while that of ethanol is $15.9$.
Reason $R$: Ethanol is stronger acid than phenol.In the light of the above statements, choose the correct answer from the options given below: