List of top Chemistry Questions asked in BITSAT

For the reaction $ \mathrm{N_2} + 3\mathrm{H_2} \rightleftharpoons 2\mathrm{NH_3} $, the equilibrium constant $K_c$ is 0.5 at a certain temperature. If initially, 1 mole of $\mathrm{N_2}$ and 3 moles of $\mathrm{H_2}$ are placed in a 1 L container, what is the equilibrium concentration of $\mathrm{NH_3}$?

Which of the following is the correct electronic configuration of $ \mathrm{Cr} $ (Chromium, atomic number 24)?

In the electrolysis of molten $ \mathrm{NaCl} $, what is produced at the cathode?

A tetrapeptide is made of naturally occurring alanine, serine, glycine, and valine. If the C-terminal amino acid is alanine and the N-terminal amino acid is chiral, the number of possible sequences of the tetrapeptide is:

Thermal decomposition of lithium nitrate gives:

The sol formed in the following unbalanced equation is:
\[ As_2O_3 + H_2S \rightarrow {?} \]

Which of the following is not correct about Grignard reagent?

What is the stoichiometric coefficient of SO$_2$ in the following balanced reaction? \[ {MnO}_4^-(aq) + {SO}_2(g) \rightarrow {Mn}^{2+}(aq) + {HSO}_4^-(aq) \] (in acidic solution)

The major product of the reaction between CH$_3$CH$_2$ONa and (CH$_3$)$_3$CCl in ethanol is:

The major product X in the following given reaction is:

Calamine, malachite, magnetite, and cryolite, respectively, are:

The combustion of benzene (L) gives CO$_2$ (g) and H$_2$O (L). Given that heat of combustion of benzene at constant volume is -3263.9 kJ/mol at 25°C, heat of combustion (in kJ/mol) of benzene at constant pressure will be: (R = 8.314 J$K^{-1}$ $mol^{-1}$)

Calculate the molarity of a solution containing 5 g of NaOH dissolved in the product of H$_2$ – O$_2$ fuel cell operated at 1 A current for 595.1 hours.(Assume F = 96500C/mol of electron and molecular weight of NaOH as 40 g/mol).

When the same quantity of electricity is passed through the aqueous solutions of the given electrolytes for the same amount of time, which metal will be deposited in maximum amount on the cathode?

Which one of the following is a water-soluble vitamin that is not excreted easily?

Choose the correct stability order of the given free radicals.

The hybridisation scheme for the central atom includes a d-orbital contribution in

Glycosidic linkage between C$_1$ of $\alpha$-glucose and C$_2$ of $\beta$-fructose is found in: