The resistance of a cell does not depend on

${{C}_{3}}{{H}_{7}}OH\underset{160-{{180}\,^{o}}C}{\mathop{\xrightarrow{Conc.{{H}_{2}}S{{O}_{4}}}}}\,X\underset{{}}{\mathop{\xrightarrow{B{{r}_{2}}}}}\,Y\underset{Alc.KOH}{\mathop{\xrightarrow{\text{Excess of}}}}\,Z$

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Consider the following reaction $\mathrm{A}+\mathrm{B} \rightarrow \mathrm{C}$

The time taken for $A$ to become $1 / 4^{\text {th }}$ of its inital concentration is twice the time taken to become $1 / 2$ of the same. Also, when the change of concentration of $B$ is plotted against time, the resulting graph gives a straight line with a negative slope and a positive intercept on the concentration axis. The overall order of the reaction is . . . . .

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Which one of the following property is not correct for ozone

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$(A)\xrightarrow{LiAl{{H}_{4}}}\underset{\left( Chiral\text{ }alcohol\text{ }only \right)}{\mathop{2(B)}}\,$ ;

structure of $(A)$ is

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Vitamin ${B_1}$ is

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$\mathop {Z{n_{(s)}}|Z{n^{2 + }}_{(aq)}|}\limits_{{\rm{(anode)}}\,\,\,\,\,\,\,\,\,\,\,\,\,} |\mathop {C{u^{2 + }}_{(aq)}|C{u_{(s)}}}\limits_{{\rm{(cathode)}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} $is

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If the half life of first order reaction is 100 seconds, then its rate constant will be :

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