List of top Chemistry Questions

Match the column I with column II and mark the appropriate choice.

Match L ist-I with List-II. Choose the correct answer from the options given below.

What is the approximate percentage of $ {{H}_{2}}{{O}_{2}} $ in a sample labelled as 10 vol?

Soap lather is an example of

Which of the following cannot be a rock salt type crystal?

The reaction which carried out in the presence of homogeneous catalyst is

If the unit of rate and rate constant are same for a reaction, the order of reaction will be

For a first order reaction the incorrect representation is

During electrolysis of dilute $H_2SO_4$, the gas evolved at anode is

For Freundlich adsorption isotherm the graph of log x/m vs log P, the slope has a value of

If the unit of rate and rate constant are same for a reaction, the order of reaction will be

$ {CH3 -CH = CH2 ->[500^{\circ}C][Cl_2]}X. X$ is

H-bond is strongest in:

For the given energy profile diagram, rate determining step is

Carbolic acid is

$9.2\, g\, N_2O_4$ is heated in a $1L$ vessel till equilibrium state is established $N_2O_{4(g)} {<=>}2NO_{2(g)}$ In equilibrium state $50\% N_2O_4$ was dissociated, equilibrium constant will be (mol. wt. of $N_2O_4 = 92$)

In which of the following nuclear reaction X and Y are isotopes?

Aspirin is chemically:

Sequence of bond length of the following is A. ethane B. ethene C. ethyne

$CH_3CH_2Cl$ undergoes homolytic fission produces

Which of the following is second most electronegative element?

Which of the following has lowest ionisation energy?

Blood cells do not shrink in blood because blood is

Paraldehyde is formed by the polymerisation of

Which of the following is most basic?