Determine whether the following statements are True or False:
$(a)$ The rate of reaction can be decreased by decreasing the concentration of reactant.
$(b)$ Graphite quickly changes to Diamond.
$(c)$ The rate of corrosion of iron is fast.
$(d)$ The meaning of kinesis in Greek is movement.
$(a)$ The rate of reaction can be decreased by decreasing the concentration of reactant.
$(b)$ Graphite quickly changes to Diamond.
$(c)$ The rate of corrosion of iron is fast.
$(d)$ The meaning of kinesis in Greek is movement.
(A) True: According to the rate law,the rate of reaction is directly proportional to the concentration of reactants. Thus,decreasing the concentration decreases the rate.
$(b)$ False: The conversion of graphite to diamond is a thermodynamically favorable process but kinetically extremely slow,taking millions of years.
$(c)$ False: Corrosion of iron (rusting) is a very slow process occurring over a long period.
$(d)$ True: The term 'kinesis' is derived from the Greek word meaning 'movement' or 'motion'.
$(b)$ False: The conversion of graphite to diamond is a thermodynamically favorable process but kinetically extremely slow,taking millions of years.
$(c)$ False: Corrosion of iron (rusting) is a very slow process occurring over a long period.
$(d)$ True: The term 'kinesis' is derived from the Greek word meaning 'movement' or 'motion'.
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Given below are two statements:
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Statement $II$: The figure shows the variation in concentration against time plot for a "$y$" order reaction.
Concentration of $R$ vs Time plot: $A$ straight line with a negative slope equal to $-K$.
The value of $x + y$ is . . . . . .
Statement $I$: The rate law for the reaction $A + B \rightarrow C$ is rate $(r) = k[A]^2[B]$. When the concentration of both $A$ and $B$ is doubled,the reaction rate is increased "$x$" times.
Statement $II$: The figure shows the variation in concentration against time plot for a "$y$" order reaction.
Concentration of $R$ vs Time plot: $A$ straight line with a negative slope equal to $-K$.
The value of $x + y$ is . . . . . .
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