MCQ
The rate at which a substance reacts depends on its
  • A
    Atomic weight
  • B
    Equivalent weight
  • C
    Molecular weight
  • Active mass

Answer

Correct option: D.
Active mass
d
(d)According to law of mass action.

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

Similar questions

$6.02 \times 10^{20}$ molecules of urea are present in $200\,mL$ of its solution. The concentration of urea solution is .............. $\mathrm{M}$
Rate of a reaction can be expressed by Arrhenius equationas :

$k=A\,e-^{E/RT}$

In this equation, $E$ represents

Which of the following relation represents correct relation between standard electrode potential and equilibrium constant ?

$I$.  $\log \,\,K\, = \,\frac{{nF{E^o}}}{{2.303\,RT}}$

$II$.  $K\, = \,{e^{\frac{{nF{E^o}}}{{RT}}}}$

$III$.  $\log \,\,K\, = -\,\frac{{nF{E^o}}}{{2.303\,RT}}$

$IV$.  $\log \,\,K\, = 0.4342\,\,\frac{{-nF{E^o}}}{{RT}}$

Choose the correct statement $(s)$.

Iodoethane reacts with sodium in the presence of dry ether. The product is
The product of following reaction is

$\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH = C{H_2}\,\,\,\,\,} \\ 
  {\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,C{H_{3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}} 
\end{array}\xrightarrow[{(ii)\,NaB{H_4}}]{{(i)\,Hg{{(OAc)}_2};{H_2}O}}$

$0.01$ moles of a weak acid $HA \left( K _{ a }=2.0 \times 10^{-6}\right)$ is dissolved in $1.0\, L$ of $0.1\, M\, HCl$ solution. The degree of dissociation of $HA$ is ............. $\times 10^{-5}$

(Round off to the Nearest Integer).

[Neglect volume change on adding $HA$. Assume degree of dissociation $<< 1]$

Assuming complete dissociation, the $pH$ of a $0.01 \,M$  $NaOH$ solution is equal to
Reagent, $1 -$naphthylamine and sulphanilic acid in acetic acid is used for the detection of
In the carbyl amine reaction the number of moles of $KOH$ and $CHCl_3$ used permole of iso cyanide produced are $X_1$ and $X_2$ respectively. Find out $X_1 - X_2$
Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have highest bond dissociation enthalpy?