Select the correct statement
Select the correct statement
- A
Entropy change of all the elementry reactions increases with increases in temperature
- B
Enthalpy change of all the elementry reactions increases with increase in temperature
- C
Rate constant of all the elementry reaction increases with increase in temperature
- D
Activation energy of all the elementry reaction increases with increase in temperature
Similar Questions
The rate of certain reaction depends on concentration according to the equation $\frac{{ - dc}}{{dt}}\, = \,\frac{{{K_1}C}}{{1 + {K_2}C}},$ what is the order, when concentration $(c)$ is very-very high
The rate of certain reaction depends on concentration according to the equation $\frac{{ - dc}}{{dt}}\, = \,\frac{{{K_1}C}}{{1 + {K_2}C}},$ what is the order, when concentration $(c)$ is very-very high
$A(g) + 2B(g) \to $ product is a elementary reaction, which of the following is incorrect.
$A(g) + 2B(g) \to $ product is a elementary reaction, which of the following is incorrect.
The rate constant for a second order reaction is $8 \times {10^{ - 5}}\,{M^{ - 1}}\,mi{n^{ - 1}}$. How long will it take a $ 1\,M $ solution to be reduced to $0.5\, M$
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$Zn + 2H^+ \to Zn^{2+} + H_2$
The half-life period is independent of the concentration of zinc at constant $pH$. For the constant concentration of $Zn$, the rate becomes $100$ times when $pH$ is decreased from $3\, to\, 2$. Identify the correct statements $(pH = -\log [H^{+}])$
$(A)$ $\frac{{dx}}{{dt}}\, = k{[Zn]^0}{[{H^ + }]^2}$
$(B)$ $\frac{{dx}}{{dt}}\, = k{[Zn]}{[{H^ + }]^2}$
$(C)$ Rate is not affected if the concentraton of zinc is made four times and that of $H^+$ ion is halved.
$(D)$ Rate becomes four times if the concentration of $H^+$ ion is doubled at constant $Zn$ concentration
$Zn + 2H^+ \to Zn^{2+} + H_2$
The half-life period is independent of the concentration of zinc at constant $pH$. For the constant concentration of $Zn$, the rate becomes $100$ times when $pH$ is decreased from $3\, to\, 2$. Identify the correct statements $(pH = -\log [H^{+}])$
$(A)$ $\frac{{dx}}{{dt}}\, = k{[Zn]^0}{[{H^ + }]^2}$
$(B)$ $\frac{{dx}}{{dt}}\, = k{[Zn]}{[{H^ + }]^2}$
$(C)$ Rate is not affected if the concentraton of zinc is made four times and that of $H^+$ ion is halved.
$(D)$ Rate becomes four times if the concentration of $H^+$ ion is doubled at constant $Zn$ concentration
During the kinetic study of the reaction, $2A + B \rightarrow C + D,$ following results were obtained
Run
$[A]/mol\,L^{-1}$
$[B]/mol\,L^{-1}$
Initial rate of formation of $D/mol\,L^{-1}\,min^{-1}$
$I.$
$0.1$
$0.1$
$6.0 \times 10^{-3}$
$II.$
$0.3$
$0.2$
$7.2 \times 10^{-2}$
$III.$
$0.3$
$0.4$
$2.88 \times 10^{-1}$
$IV.$
$0.4$
$0.1$
$2.40 \times 10^{-2}$
Based on the above data which one of the following is correct?
During the kinetic study of the reaction, $2A + B \rightarrow C + D,$ following results were obtained
| Run | $[A]/mol\,L^{-1}$ | $[B]/mol\,L^{-1}$ | Initial rate of formation of $D/mol\,L^{-1}\,min^{-1}$ |
| $I.$ | $0.1$ | $0.1$ | $6.0 \times 10^{-3}$ |
| $II.$ | $0.3$ | $0.2$ | $7.2 \times 10^{-2}$ |
| $III.$ | $0.3$ | $0.4$ | $2.88 \times 10^{-1}$ |
| $IV.$ | $0.4$ | $0.1$ | $2.40 \times 10^{-2}$ |
Based on the above data which one of the following is correct?
- [AIPMT 2010]