List of top Questions asked in BITSAT- 2024

The bond dissociation energy of X$_2$, Y$_2$ and XY are in the ratio of 1 : 0.5 : 1. $\Delta H$ for the formation of XY is -200 kJ/mol. The bond dissociation energy of X$_2$ will be

20 mL of 0.1 M acetic acid is mixed with 50 mL of potassium acetate. $ K_a $ of acetic acid $ = 1.8 \times 10^{-5} $ at 27°C. Calculate the concentration of potassium acetate if the pH of the mixture is 4.8.

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)

Volume of M/8 KMnO$_4$ solution required to react completely with 25.0 cm$^3$ of M/4 FeSO$_4$ in acidic medium is:

Which of the following is only a redox reaction but not a disproportionation reaction?

The correct order of melting points of the following salts is:
LiCl & (I)
LiF & (II)
LiBr & (III)

Thermal decomposition of lithium nitrate gives:

The number of geometrical isomers possible for the compound, CH$_3$CH = CH - CH = CH$_2$ is:

Correct order of stability of carbanion is:

Identify the species having one $\pi$-bond and maximum number of canonical forms from the following:

If for a first-order reaction, the value of $ A = 4 \times 10^{13} \, \text{s}^{-1} $ and $ E_a = 98.6 \, \text{kJ mol}^{-1} $, then at what temperature will its half-life be 10 minutes?

In the chemical reaction A $\rightarrow$ B, what is the order of the reaction? Given that, the rate of reaction doubles if the concentration of A is increased four times.

Calculate the activation energy of a reaction, whose rate constant doubles on raising the temperature from 300 K to 600 K.

In the reaction, A $ \rightarrow $ products, if the concentration of the reactant is doubled but the rate of reaction remains unchanged, what is the order of the reaction with respect to A?

In a first-order reaction, the concentration of the reactant decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the concentration to change from 0.1 M to 0.025 M is:

The chemical composition of 'slag' formed during the smelting process in the extraction of copper is:

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

In which of the following molecules, all bond lengths are not equal?

Which of the following is not correct about Grignard reagent?

The IUPAC name of the following molecule is:

Choose the correct stability order of the given free radicals.

Which of the following is the strongest Bronsted base?