List of top Chemistry Questions asked in BITSAT

The standard reduction potentials are: \[ \mathrm{Cu^{2+} + 2e^- \rightarrow Cu} \quad E^\circ = +0.34\,V \] \[ \mathrm{Zn^{2+} + 2e^- \rightarrow Zn} \quad E^\circ = -0.76\,V \] Calculate the standard cell potential for the reaction: \[ \mathrm{Zn + Cu^{2+} \rightarrow Zn^{2+} + Cu} \]

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 $\mathrm{NH_3}$?

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

In the reaction $ \mathrm{N_2(g)} + 3\mathrm{H_2(g)} \leftrightarrow 2\mathrm{NH_3(g)} $, if the equilibrium constant $ K_c = 4 \times 10^{-3} $ at a certain temperature, which of the following is true about the reaction at equilibrium?

For the reaction $ A + B \to C $, the rate law is found to be $ \text{rate} = k[A]^2[B] $. If the concentration of $ A $ is doubled and $ B $ is halved, by what factor does the rate change?

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

........ is a potent vasodilator.

Zinc acetate - antimony trioxide catalyst is used in the preparation of which polymer?

Which of the following is not a semi-synthetic polymer?

The naturally occurring amino acid that contains only one basic functional group in its chemical structure is:

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

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

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:

Cheilosis and digestive disorders are due to deficiency of:

An alkene X on ozonolysis gives a mixture of Propan-2-one and methanal. What is X?

Which of the following compounds will undergo self aldol condensation in the presence of cold dilute alkali?

An unknown alcohol is treated with "Lucas reagent" to determine whether the alcohol is primary, secondary, or tertiary. Which alcohol reacts fastest and by what mechanism?

What is X in the following reaction?
$CO + 2H_2 \xrightarrow{X} CH_3OH$

In the Victor-Meyer test, the color given by 1°, 2°, and 3° alcohols are respectively:

The final product in the following reaction Y is: