List of top Questions asked in KEAM

Energy equivalent of mass 0.5 kg is
A bullet of 10 g mass is fired at a speed of 50 m/s by a gun of 2 kg mass. The recoil speed of the gun (in m/s) is
Oxidation of gluconic acid with nitric acid gives
The number of moles of alkyl halides required to convert primary amine into quaternary ammonium salt is
The dimensions of \( \frac{B}{E} \) are (B: Magnetic induction, E: Electric field intensity)
The order of boiling point of the following amines is (i) Butan-1-amine
(ii) N-Ethylethanamine
(iii) N,N-Dimethylethanamine
The carbohydrates are stored in animal body as
An aromatic compound (X) of molecular formula, C7H7Cl, on ammonolysis gives Y (Molecular formula, C7H9N). The compound Y reacts with two moles of CH3Cl gives N, N-Dimethylphenylmethanamine. The compounds 'X' and 'Y' are
The reagent used for the conversion of carboxylic acids to primary alcohols is
Which of the following is not a chiral molecule?
When benzene is treated with carbon monoxide and hydrogen chloride in the presence of anhydrous aluminium chloride, benzaldehyde is formed. The reaction is known as
The product obtained on the reaction of propanone with \( CH_3MgBr \) followed by hydrolysis is
The temperature and pressure required for reforming benzene from n-hexane is
The product obtained on ozonolysis of 3-Ethylpent-2-ene are
Which of the following sodium salts of carboxylic acid is used for the preparation of n-hexane by Kolbe's electrolytic method?
Which of the following oxidizing agent is used for the iodination of methane?
Which of the following is an outer orbital complex?
The percentage of Cr(III) in Ruby is
On complete combustion of 0.96 g of an organic compound, 0.88 g of carbon dioxide and 0.1 g of water are produced. What is the percentage composition of carbon in the compound?
Hardness of water is estimated by titration with
The formula of Ammonium phosphomolybdate is
The first and second ionization enthalpies of lanthanoids are comparable with the element
Which of the following transition metal oxide is used in dry battery cells?
Which of the following transition elements has both bcc and ccp structures at normal temperature?
What is the magnetic moment of a divalent ion with three unpaired electrons?