List of top Questions asked in KEAM

A ball falling from a height of 20 m hits a floor and bounces back to a height of 17 m. The percentage of energy lost by the ball during the impact is
The displacement of a particle moving along x-axis is given as $(x=\frac{3}{4}t^{2}-12t+3)m$. The particle will come to rest in
If the magnitude of the vector \(\vec{P} = x\hat{i} + 0.8\hat{j} + 0.6\hat{k}\) is 2, then the value of x is.
The value of the measurement \(14.0 \times 10^{-5} + 8.3 \times 10^{-3}\) with respect to significant figures is.
The linear speed of a stone revolving 5 times in a circle of 4 cm radius in 2 minute is (in $cm s^{-1}$)
An aliphatic amine reacts with Hinsberg's reagent to give a product insoluble in NaOH. The amine is
When ethanamide is treated with \(Br_{2}\) and NaOH in ethanolic solution we get.
Benzenamine reacts with ethanoic anhydride to give
Glucose reacts with \(HNO_{3}\) to give.
Which of the following is a sulphur containing $\alpha$-amino acid?
The common name of propanedioic acid is
Benzaldehyde reacts with \(HNO_{3}/H_{2}SO_{4}\) at 273–283 K to give.
Which of the following undergoes haloform reaction?
The compound with the lowest pKa value is
Intramolecular hydrogen bond is present in
2-Bromopropane reacts with Mg in dry ether to give a product which on treatment with HCHO forms an addition product. The addition product on hydrolysis forms
Which of the following organic halogen compound has high reactivity towards \(S_N1\) mechanism?
Grignard reagent is prepared by the action of
The most acidic hydrogen is present in
When 0.25 g of an organic compound is completely oxidised with excess oxygen, 0.22 g of \(CO_{2}\) is produced. What is the percentage of carbon in the compound?
Eclipsed and staggered forms of n-butane are
Which of the following is a didentate ligand?
When ethene is treated with \(H_{2}\) in the presence of a catalyst, ethane is formed. This reaction is an example of.
When \(KMnO_{4}\) is heated to 513 K the products formed are \(K_{2}MnO_{4}\), \(O_{2}\) and.
The rate constant of a reaction at 500 K is 0.02 and it increased to 0.07 at 700 K. The \(E_a\) value of the reaction is about [Given: \(R = 8.3 \, J\,K^{-1}\,mol^{-1}\) and \(\log(7/2) = 0.544\)].