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$A$. The successive half lives of zero order reactions decreases with time.
$B$. A substance appearing as reactant in the chemical equation may not affect the rate of reaction
$C$. Order and molecularity of a chemical reaction can be a fractional number
$D$. The rate constant units of zero and second order reaction are $mol\, L ^{-1} s ^{-1}$ and $mol ^{-1} Ls ^{-1}$ respectively
(Image)
$x=$.. . . . . .(nearest integer)
[Given: Molal freezing point depression constant of water at $273.15 \mathrm{~K}^2$ is $1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ ]
$S _{8( s )}+ a OH ^{-}_{( aq )} \rightarrow b S ^{2-}_{( aq )}+ c S _{2} O _{3}{ }^{2-}{ }_{( aq )}+ d H _{2} O _{(\ell)}$
The values of $'a'$ is ............ (Integer answer)
