7 RBTS PAPER(CHEMISTRY)
7 RBTS PAPER

164240 Rate law for reaction \(A+2 B \rightarrow C\) is
\(R=K[A][B]\)
If concentration of \(B\) is tripled and concentration of \(A\) is same. The value of rate constant will be :

1 Same
2 Tripled
3 Doubled
4 Halfed
7 RBTS PAPER

164241 A first order reaction is found to have a rate constant, \(K=5.5 \times 10^{-14} \mathrm{sec}^{-1}\) find the half life of the reaction.

1 \(1.26 \times 10^{13} \mathrm{sec}\).
2 \(1.26 \times 12 \mathrm{sec}\).
3 \(1.26 \times 10^{10} \mathrm{sec}\).
4 \(1.26 \times 10^{15} \mathrm{sec}\).
7 RBTS PAPER

164242 identify \(X\) :

1 Average kinetic energy
2 Most probable kinetic energy
3 Activation energy
4 Transtion energy
7 RBTS PAPER

164243 Mechanism of a hypothetical reaction, \(X_2+Y_2 \rightarrow\) \(2 X Y\), is given below:
(i) \(X+Y \rightleftharpoons X Y\) (fast)
(ii) \(X+Y_2 \rightarrow X Y+Y\) (slow)
(iii) \(\mathrm{X}_2 \rightleftharpoons \mathrm{X}+\mathrm{X}\) (fast)
The overall order of the reaction will be:

1 2
2 0
3 1.5
4 1
7 RBTS PAPER

164240 Rate law for reaction \(A+2 B \rightarrow C\) is
\(R=K[A][B]\)
If concentration of \(B\) is tripled and concentration of \(A\) is same. The value of rate constant will be :

1 Same
2 Tripled
3 Doubled
4 Halfed
7 RBTS PAPER

164241 A first order reaction is found to have a rate constant, \(K=5.5 \times 10^{-14} \mathrm{sec}^{-1}\) find the half life of the reaction.

1 \(1.26 \times 10^{13} \mathrm{sec}\).
2 \(1.26 \times 12 \mathrm{sec}\).
3 \(1.26 \times 10^{10} \mathrm{sec}\).
4 \(1.26 \times 10^{15} \mathrm{sec}\).
7 RBTS PAPER

164242 identify \(X\) :

1 Average kinetic energy
2 Most probable kinetic energy
3 Activation energy
4 Transtion energy
7 RBTS PAPER

164243 Mechanism of a hypothetical reaction, \(X_2+Y_2 \rightarrow\) \(2 X Y\), is given below:
(i) \(X+Y \rightleftharpoons X Y\) (fast)
(ii) \(X+Y_2 \rightarrow X Y+Y\) (slow)
(iii) \(\mathrm{X}_2 \rightleftharpoons \mathrm{X}+\mathrm{X}\) (fast)
The overall order of the reaction will be:

1 2
2 0
3 1.5
4 1
7 RBTS PAPER

164240 Rate law for reaction \(A+2 B \rightarrow C\) is
\(R=K[A][B]\)
If concentration of \(B\) is tripled and concentration of \(A\) is same. The value of rate constant will be :

1 Same
2 Tripled
3 Doubled
4 Halfed
7 RBTS PAPER

164241 A first order reaction is found to have a rate constant, \(K=5.5 \times 10^{-14} \mathrm{sec}^{-1}\) find the half life of the reaction.

1 \(1.26 \times 10^{13} \mathrm{sec}\).
2 \(1.26 \times 12 \mathrm{sec}\).
3 \(1.26 \times 10^{10} \mathrm{sec}\).
4 \(1.26 \times 10^{15} \mathrm{sec}\).
7 RBTS PAPER

164242 identify \(X\) :

1 Average kinetic energy
2 Most probable kinetic energy
3 Activation energy
4 Transtion energy
7 RBTS PAPER

164243 Mechanism of a hypothetical reaction, \(X_2+Y_2 \rightarrow\) \(2 X Y\), is given below:
(i) \(X+Y \rightleftharpoons X Y\) (fast)
(ii) \(X+Y_2 \rightarrow X Y+Y\) (slow)
(iii) \(\mathrm{X}_2 \rightleftharpoons \mathrm{X}+\mathrm{X}\) (fast)
The overall order of the reaction will be:

1 2
2 0
3 1.5
4 1
7 RBTS PAPER

164240 Rate law for reaction \(A+2 B \rightarrow C\) is
\(R=K[A][B]\)
If concentration of \(B\) is tripled and concentration of \(A\) is same. The value of rate constant will be :

1 Same
2 Tripled
3 Doubled
4 Halfed
7 RBTS PAPER

164241 A first order reaction is found to have a rate constant, \(K=5.5 \times 10^{-14} \mathrm{sec}^{-1}\) find the half life of the reaction.

1 \(1.26 \times 10^{13} \mathrm{sec}\).
2 \(1.26 \times 12 \mathrm{sec}\).
3 \(1.26 \times 10^{10} \mathrm{sec}\).
4 \(1.26 \times 10^{15} \mathrm{sec}\).
7 RBTS PAPER

164242 identify \(X\) :

1 Average kinetic energy
2 Most probable kinetic energy
3 Activation energy
4 Transtion energy
7 RBTS PAPER

164243 Mechanism of a hypothetical reaction, \(X_2+Y_2 \rightarrow\) \(2 X Y\), is given below:
(i) \(X+Y \rightleftharpoons X Y\) (fast)
(ii) \(X+Y_2 \rightarrow X Y+Y\) (slow)
(iii) \(\mathrm{X}_2 \rightleftharpoons \mathrm{X}+\mathrm{X}\) (fast)
The overall order of the reaction will be:

1 2
2 0
3 1.5
4 1
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