Question Bank Directory

The product formed by the reaction of an aldehyde with a primary amine is:

For the reaction $2A + B \rightarrow 3C + D$, which of the following does not express the reaction rate?

Acetone is treated with excess ethanol in the presence of hydrochloric acid. The product obtained will be:

If the rate constant for a first order reaction is $k$, the time ($t$) required for the completion of 99% of the reaction is given by:

What is the change in oxidation number of carbon in the following reaction? $\text{CH}_4(g) + 4\text{Cl}_2(g) \rightarrow \text{CCl}_4(l) + 4\text{HCl}(g)$

The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is:

In a basic medium, acetophenone yields a stable compound A with $C_2H_5ONa$. The structure of A is:

Which of the following is a basic amino acid?

For the reduction of silver ions with copper metal, the standard cell potential was found to be $+0.46 \text{ V}$ at $25^\circ\text{C}$. The value of standard Gibbs energy, $\Delta G^\circ$ will be: ($F = 96500 \text{ C mol}^{-1}$)

Which one of the followings has maximum number of atoms ?

The number of protons, neutrons and electrons in $^{175}_{71}\text{Lu}$, respectively, are

Identify the product in the following reaction:

Activation energy of any chemical reaction can be calculated if one knows the value of:

The incorrect statement among the following is:

Which of the following reactions cannot form new carbon-carbon bonds?

A and B in the following reactions are: (i) $R-C(O)Cl + H_2 \xrightarrow{Pd/BaSO_4} A$ (ii) $R-C \equiv N + SnCl_2 + HCl \xrightarrow{H_3O^+} B$

The mixture which shows positive deviation from Raoult's law is

Mark the name of the reaction associated with the following conversion:

The incorrect method to synthesize benzaldehyde is:

What is the product formed in the below reaction? (Note: Reactant structure is missing) + $NaNO_2 + HCl \longrightarrow$ Product