In a reaction $2A + B \to {A_2}B$, the reactant $ A $ will disappear at

  • A

    Half the rate that $B$ will decrease

  • B

    The same rate that $ B$  will decrease

  • C

    Twice the rate that $B$ will decrease

  • D

    The same rate that ${A_2}B$ will form

Similar Questions

The reaction $2FeC{l_3} + SnC{l_2} \to 2FeC{l_2} + SnC{l_4}$ is an example of

  • [AIPMT 1996]

The following results were obtained during kinetic studies of the reaction $2A+B$ $\to$ products

Experiment

$[A]$

(in $mol\, L^{-1})$

$[B]$

(in $mol\, L^{-1})$

Initial rate of reaction

(in $mol\, L^{-1}\,min^{-1})$

$I$ $0.10$ $0.20$ $6.93 \times {10^{ - 3}}$
$II$ $0.10$ $0.25$ $6.93 \times {10^{ - 3}}$
$III$ $0.20$ $0.30$ $1.386 \times {10^{ - 2}}$

The time(in minutes) required to consume half of $A$ is

  • [JEE MAIN 2019]

For the reaction system $2NO(g) + {O_2}(g) \to 2N{O_2}(g)$ volume is suddenly produced to half its value by increasing the pressure on it. If the reaction is of first order with respect to $O_2$ and second order with respect to $NO,$ the rate of reaction will

  • [AIEEE 2003]

The rate of dissappearance of $MnO_4^-$ in the following reaction is $4.56 \times 10^{-3}\, M/s$

$2MnO_4^-+ 10I^-+ 16H^+ \to 2Mn^{2+} + 5I_2 + 8 H_2O$

The rate of apperance of $I_2$ is

Define following term / Give definition :

$(1)$ Elementary reaction

$(2)$ Complex reaction