List of top Questions asked in KEAM

When blue light is incident on metal surface, photoelectrons are emitted. When green light is incident, no photoelectrons are emitted. What is the number of photoelectrons emitted when yellow light is incident?
Aspirin is also called:
IUPAC name of C\(_6\)H\(_14\) is:
Name of the following reaction:
Benzaldehyde + Acetophenone → Benzalacetophenone
Which of the following has the smallest ionic radius?
Which of the following has an expanded octet?
Which of the following amino acids are synthesized in our body?
The pKa value of a 0.1 M solution of a weak acid HA with pH = 4 is:
Phenol can be converted into benzene by treating with:
Acetanilide is prepared by reacting -------and-------.
Which of the following shows -R effect?
Which of the following is more soluble in water at 298 K?
Preparation of KMnO\(_4\) from Mg(II):
\(\Delta H\) and \(\Delta S\) value of a reaction which is non-spontaneous at high T and spontaneous at low T is:
Amount of charge needed to dissociate MgClâ‚‚?
Spin free complex?
Order of acidity CH=CH, CH₃-C=CH, CH₃-C=C-CH₃?
Aryl halides react with Na in dry ether gives diphenyls. Name of the reaction is:
Properties of canal rays:
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?
The carboxylic acid used widely in the leather industry is?
A subatomic particle of mass \(2.2 \times 10^{-28}\) kg. Velocity = \(3 \times 10^5 \, \text{ms}^{-1}\). De Broglie wavelength?
Which shows +6 oxidation state in fluorides?
Metal in Wilkinson's catalyst?
Relation between \(C_p\), \(C_v\) and \(R\)