List of top Chemistry Questions asked in KEAM

Acetone can be converted to 2-methylpropan-2-ol using:

Aryl halides react with Na in dry ether gives diphenyls. Name of the reaction is:

Acetanilide is prepared by reacting -------and-------.

The reagent for Etard's reaction is:

Which has intramolecular hydrogen bonding?
Ortho nitrophenol, Para nitrophenol

The pKa value of a 0.1 M solution of a weak acid HA with pH = 4 is:

Which of the following is a non-polar molecule?

Which one of the series of hydrogen spectrum is in the visible region?

Which shows +6 oxidation state in fluorides?

A shell in projectile motion explodes while in motion, what is the trajectory of the center of the fragments?

Which among the following shows -R effect?

Which of the following amino acids are synthesized in our body?

Square planar compound is:

Energy of H atom in ground state is 13.6 eV. No of spectral lines emitted by 'H' atom when a photon of energy 12.75 eV is received?

Which of the following shows -R effect?

Given the following concentrations and rates, which one corresponds to the rate law for the reaction? \[ [A] = 0.10 \quad [D] = 0.2 \quad \text{Rate} = 0.2 \] \[ [A] = 0.2 \quad [D] = 0.2 \quad \text{Rate} = 0.4 \] \[ [A] = 0.10 \quad [D] = 0.1 \quad \text{Rate} = 0.05 \]

Find the \( \Delta G \) during the reaction: \[ \text{H}_2\text{O}(l) \rightleftharpoons \text{H}_2\text{O}(g) \quad \Delta S = +1 \, \text{kJ/mol} \, \text{at} \, 100^\circ C \]