List of top Questions asked in IIT JAM CY

Among the following, the anti-aromatic compound(s) is (are)

The products P and Q formed in the reaction are

The compound(s), which give(s) benzoic acid on oxidation with KMnO$_4$, is (are)

Half-life ($t_{1/2}$) of a chemical reaction varies with the initial concentration of reactant ($A_0$) as given below:

The order of the reaction is

For $\alpha>0$, the value of the integral $\displaystyle \int_{-\infty}^{+\infty} x e^{-\alpha x^2} \, dx$ is

Monochromatic X-rays having energy $2.8 \times 10^{-15}$ J diffracted (first order) from (200) plane of a cubic crystal at an angle 8.5°. The length of unit cell in of the crystal (rounded off to one decimal place) is
(Given:} Planck’s constant, $h = 6.626 \times 10^{-34}$ J·s; $c = 3.0 \times 10^8$ m/s{)

In the following reaction, compound Q is

The major product formed in the following reaction is

The reaction that produces the following as a major product is

The major products E and F formed in the following reactions are

The products P, Q, R and S formed in the following reactions are

The major product formed in the following reaction sequence is

According to the crystal field theory, d–d transition observed in [Ti(H$_2$O)$_6$]$^{3}+$ is

The CORRECT combination for metalloenzymes given in Column I with their catalytic reactions in Column II is

Reaction of [Ni(CN)$_4$]$^{2-}$ with metallic potassium in liquid ammonia at –33 °C yields complex E. The geometry and magnetic behavior of E, respectively, are

Among the following, the matrices with non-zero determinant are

A pure substance M has lesser density in solid state than in liquid state. The $\Delta S_\text{fusion}$ of M is +25 J K$^{-1}$ mol$^{-1}$. The CORRECT representative Pressure–Temperature diagram for the fusion of M is