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The rate of a reaction quadruples when temperature changes from $27^{\circ}\text{C}$ to $57^{\circ}\text{C}$. Calculate the energy of activation. Given $R = 8.314 \text{ J K}^{–1} \text{ mol}^{–1}$, $\log 4 = 0.6021$

The half-life for a zero-order reaction having 0.02 M initial concentration of reactant is 100 s. The rate constant (in mol L⁻¹ s⁻¹) for the reaction is:

What does $Z_{AB}$ represent in the collision theory of chemical reactions?

The 2-chlorobutane obtained by chlorination of n-butane will be:

For a reaction, activation energy $E_a = 0$ and the rate constant at $200 \text{ K}$ is $1.6 \times 10^6 \text{ s}^{-1}$. The rate constant at $400 \text{ K}$ will be [Given that gas constant, $R = 8.314 \text{ J K}^{-1} \text{ mol}^{-1}$]

Consider the reaction $N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)$. The equality relationship between $\frac{d[NH_3]}{dt}$ and $-\frac{d[H_2]}{dt}$ is:

For the reaction, $N_2 + 3H_2 \rightarrow 2NH_3$, if $\frac{d[NH_3]}{dt} = 2 \times 10^{-4} \text{ mol L}^{-1} \text{ s}^{-1}$, the value of $-\frac{d[H_2]}{dt}$ would be:

Which of the following is dependent on temperature?

The most suitable reagent for the following conversion, is : $H_3C-C \equiv C-CH_3 \rightarrow$ (cis-2-butene structure)

A reaction having equal energies of activation for forward and reverse reaction has:

The half-life period of a first-order reaction is 1386 s. The specific rate constant of the reaction is:

Which of the following compounds undergoes nucleophilic substitution reaction most easily?

$\text{C}_6\text{H}_5\text{CH}_2\text{Br} \xrightarrow[2.\text{ H}_3\text{O}^+]{1.\text{ Mg, Ether}} \text{X}$ The product 'X' in the above reaction is:

Which of the following is suitable to synthesize chlorobenzene?

$\text{CH}_3\text{CH}_2\text{CHCl}_2$ upon reaction with $\text{NaNH}_2$ gives:

The $\text{-OH}$ group of an alcohol or the carboxylic acid can be replaced by $\text{-Cl}$ using:

Given below is a reaction sequence: $\text{CH}_3\text{CH}_2\text{Cl} \xrightarrow{\text{NaCN}} X \xrightarrow{\text{H}_2/\text{Ni}} Y \xrightarrow{\text{Acetic Anhydride}} Z$ The product '$Z$' in the above reaction is:

In the given reaction the product P is:

Which one is the most reactive toward $S_N1$ reaction?

The correct reaction among the following is: