Question 11 Mark
Used to express velocity at any instant of time :
Answer
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Questions
M.C.Q (1 Marks)
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39 questions · self-marked practice — reveal the answer and mark yourself.
Question 21 Mark
It is used to express rate at any instant of time $\qquad$ ?
Answer
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Question 31 Mark
The graph between $\ln [R]$ and $t$ for the first order reaction is :
Answer
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Question 41 Mark
The graph between in $[R]$ and $t$ for the first order reaction is :
Answer
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Question 51 Mark
What is the order of integral rate reaction with expression $k =\frac{2.303}{t} \log \frac{[ R ]_0}{[ R ]}$ ?
Answer
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Question 61 Mark
For the reaction $2 A \rightarrow 3 B$, what is the reaction rate $-\frac{ d ( A )}{ dt }$ is equal to ?
Answer
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Question 71 Mark
The slope of the graph of $( k )$ with time for a zero order reaction is :
Answer
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Question 81 Mark
The slope of the graph for reaction (k) with time for a zero order reaction :
Answer
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Question 91 Mark
The rate constant of a reaction depends on which of the following?
Answer
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Question 101 Mark
The order and molecular number of reaction of $CH _3 COOC _2 H _5+ H _2 O \xrightarrow{ H ^{+}} CH _3 COOH +$ $C _2 H _5 OH$ are respectively
Answer
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Question 111 Mark
For the reaction $A + B =2 C$, the speed of extinction of A is $10^{-2}$ mole litre 'second', then what will be the speed of formation of C ?
Answer
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Question 121 Mark
For reaction $2 A \rightarrow 3 B$ what is the reaction rate $-\frac{d(A)}{d t}$ equals to?
Answer
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Question 131 Mark
The expression $k =\frac{2.303}{ t } \log \frac{[ R ]_0}{[ R ]}$ is the integral velocity equation of the order of reaction :
Answer
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Question 141 Mark
Find two third $\left( t \frac{2}{3}\right)$ life span for first order reaction
(Given : $k =5.48 \times 10^{-14}$ second) :
Answer
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Question 151 Mark
If a and $t \frac{1}{2}$ is the initial concentration of the reactants and the half-life of the zero order reaction respectively, then which of the following is the correct relationship?
Answer
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Question 161 Mark
By doubling the initial concentration of a reagent, its $t \frac{1}{2}$ becomes half. The order of this reaction will be :
Answer
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Question 171 Mark
The differential rate equation for the reaction $A+2 B$
$\longrightarrow$ product is :
Answer
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Question 181 Mark
The reaction speed rule is given $\frac{d P}{d t}=K[A][B]$ for $2 A+ B \longrightarrow$ Product $( P )$ when $[ B ] \gg[ A ]$, then order of reaction is this situation will be :
Answer
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Question 191 Mark
The time taken to complete the zero order reaction is :
Answer
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Question 201 Mark
What is the order of reaction of radioactive disintegraion?
Answer
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Question 211 Mark
Which order of reaction does this graph show?
Answer
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Question 221 Mark
The graph of zero order reaction is :
Answer
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Question 231 Mark
The temperature dependence of the rate constant of a reaction is given by which of the following equation?
Answer
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Question 241 Mark
By doubling the initial concentration of reactant in a reaction, the half-life of that reaction also doubles as compared to before, then the order of this reaction will be :
Answer
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Question 251 Mark
The factor affecting the activation energy of a reaction is :
Answer
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Question 261 Mark
The minimum energy required to convert reactant molecules into products is :
Answer
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Question 271 Mark
The threshold energy for any chemical reaction is :
Answer
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Question 281 Mark
The half-life of $C _{14}$ is 5760 years. After how many years will a 100 mg sample of ${ }^6 C _{14}$ be reduced to 25 mg ?
Answer
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Question 291 Mark
Which of the following statements is true for a zero order reaction?
Answer
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Question 301 Mark
For the reaction $2 A+ B \longrightarrow 3 C + D$, which of the following expressions does not represent the rate of the reaction :
Answer
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Question 311 Mark
Example of zero order reaction :
Answer
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Question 321 Mark
The half-life of first order reaction depends :
Answer
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Question 331 Mark
If the velocity of a reaction does not depend on the concentration of the reactants, then what will be the order of that reaction?
Answer
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Question 341 Mark
The unit of velocity of reaction is :
Answer
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Question 351 Mark
The unit of rate constant of first order reaction is :
Answer
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Question 361 Mark
Activation energy of a reaction in the presence of a catalyst :
Answer
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Question 371 Mark
The speed of reaction between x and y becomes 100 times. When the concentration of x is increased 10 times, then the order of the reaction with respect to x will be :
Answer
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Question 381 Mark
If the half life of first order reaction is 100 seconds, then its rate constant will be :
Answer
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Question 391 Mark
For the reaction $X + Y \longrightarrow$ Product, the velocity of the reaction $= K [ X ]^{ a }[ Y ]^{ b }$, then the order of the reaction will be :
Answer
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