List of top Questions asked in KEAM- 2026

When two perpendicular forces 3 N and 4 N act on a body at rest, it is accelerated to \(2 \, ms^{-2}\). The mass of the body is.
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 linear speed of a stone revolving 5 times in a circle of 4 cm radius in 2 minute is (in $cm s^{-1}$)
The value of the measurement \(14.0 \times 10^{-5} + 8.3 \times 10^{-3}\) with respect to significant figures 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
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?
Which of the following undergoes haloform reaction?
Benzaldehyde reacts with \(HNO_{3}/H_{2}SO_{4}\) at 273–283 K to give.
The common name of propanedioic acid is
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
The compound with the lowest pKa value is
Intramolecular hydrogen bond is present in
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
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.
Eclipsed and staggered forms of n-butane are
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?
When \(KMnO_{4}\) is heated to 513 K the products formed are \(K_{2}MnO_{4}\), \(O_{2}\) and.
Which of the following pair of transition metal ions are diamagnetic?