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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, $R = 8.314 \text{ J K}^{-1} \text{ mol}^{-1}$]
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)
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?
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 of the following biphenyls is optically active?
When hydrolyzed with aqueous KOH, compounds that undergo racemization are: (i) [Image Missing] (ii) $\text{CH}_3\text{CH}_2\text{CH}_2\text{Cl}$ (iii) [Image Missing] (iv) [Image Missing]
The major product formed in the dehydrohalogenation reaction of 2-bromopentane is pent-2-ene. This product formation is based on:
Among the following, which hydrolysis reaction occurs at the slowest rate:
The following compound would be classified as:
The products A and B obtained in the following reactions, respectively, are: $3\text{ROH} + \text{PCl}_3 \rightarrow 3\text{RCl} + \text{A}$ $\text{ROH} + \text{PCl}_5 \rightarrow \text{RCl} + \text{HCl} + \text{B}$
What are the major products A and B formed in the following reaction sequence?
If the $E^\circ_{\text{cell}}$ for a given reaction has a negative value, which of the following gives correct relationships for the values of $\Delta G^\circ$ and $K_{\text{eq}}$?
The pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed is:
The concentration of $ZnCl_2$ solution will change when it is placed in a container which is made of:
At $25^{\circ} \text{C}$ molar conductance of $0.1 \text{ molar}$ aqueous solution of ammonium hydroxide is $9.54 \text{ ohm}^{-1} \text{cm}^2 \text{mol}^{-1}$ and at infinite dilution its molar conductance is $238 \text{ ohm}^{-1} \text{cm}^2 \text{mol}^{-1}$. The degree of ionisation of ammonium hydroxide at the same concentration and temperature is