List of top Questions asked in KEAM

Which among the following has the highest molar elevation constant?
The formula of Ammonium phosphomolybdate is
Which is a Lewis acid?
Which of the following gases has the lowest solubility in water at 298 K?
Hardness of water is estimated by titration with
10 g of (90 percent pure) \( \text{CaCO}_3 \), treated with excess of HCl, gives what mass of \( \text{CO}_2 \)?
An unbiased die is tossed until a sum \( S \) is obtained. If \( X \) denotes the number of times tossed, find the ratio \( \frac{P(X = 2)}{P(X = 5)} \).
Which of the following transition elements has both bcc and ccp structures at normal temperature?
Aryl halides react with Na in dry ether gives diphenyls. Name of the reaction is:
The amount of NaOH required to neutralize 9.8g H\(_2\)SO\(_4\) is:
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:
Name of the reaction in which benzoyl chloride is converted to benzaldehyde is
Which of the following sodium salts of carboxylic acid is used for the preparation of n-hexane by Kolbe's electrolytic method?
The product obtained on the reaction of propanone with \( CH_3MgBr \) followed by hydrolysis is
The reagent used for the conversion of carboxylic acids to primary alcohols is
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 carbohydrates are stored in animal body as
Evaluate the integral: \[ \int \frac{2x^2 + 4x + 3}{x^2 + x + 1} \, dx \]
What phenomenon is explained by the wave nature of electromagnetic radiation?
Wave nature of light can be used to explain which phenomenon?
Moment of inertia of solid sphere having mass M and radius R about an axis passing through diameter is I. Moment of inertia of sphere of mass 2M and radius 2R is:
Velocity of man swimming along the flow of river is 10 km/h and against the flow is 6 km/h. Velocity of man in still water is
The angular velocity of the minute hand and the second hand is?