Question Bank Directory

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:

The total energy of an electron in an atom in an orbit is $-3.4 \text{ eV}$. Its kinetic and potential energies are, respectively:

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:

In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as

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?

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:

A particle of mass '$m$' is projected with a velocity $v = kv_e$ ($k < 1$) from the surface of the earth. ($v_e$ = escape velocity). The maximum height above the surface reached by the particle is