List of top Questions asked in BITSAT

Hybridisation and geometry of [Ni(CN) $_4$ ]$^{2-$ are:}

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 major product X in the following given reaction is:

58.5 g of NaCl and 180 g of glucose were separately dissolved in 1000 mL of water. Identify the correct statement regarding the elevation of boiling point of the resulting solution.

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

Dinitrogen is a robust compound, but reacts at high altitude to form oxides. The oxide of nitrogen that can damage plant leaves and retard photosynthesis is:

The charge on colloidal particles is due to:

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

One molar concentration of a solution represents:

Which of the following substances show the highest colligative properties?

Which of the following is the strongest Bronsted base?

Which of the following has least tendency to liberate H $_2$ from mineral acids?

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

The sol formed in the following unbalanced equation is:

As_2O_3 + H_2S \rightarrow {?}

A plane progressive wave is given by y = 2 cos 2pi (330t - x) m. The frequency of the wave is:}

Five charges +q, +5q, -2q, +3q and -4q are situated as shown in the figure. The electric flux due to this configuration through the surface S is:

Five cells each of emf $E$ and internal resistance $r$ send the same amount of current through an external resistance $R$ whether the cells are connected in parallel or in series. Then the ratio $\frac{R}{r}$ is:

In the following circuit diagram, when the $3\Omega$ resistor is removed, the equivalent resistance of the network:

A conducting wire is stretched by applying a deforming force, so that its diameter decreases to 40% of the original value. The percentage change in its resistance will be:

A rectangular loop of length $2.5$ m and width $2$ m is placed at $60^\circ$ to a magnetic field of $4$ T. The loop is removed from the field in $10$ sec. The average emf induced in the loop during this time is:

The potential of a large liquid drop when eight liquid drops are combined is 20 V. Then, the potential of each single drop was:

A dust particle of mass $4 \times 10^{-12} \, {mg}$ is suspended in air under the influence of an electric field of 50 N/C directed vertically upwards. How many electrons were removed from the neutral dust particle? [Take, $g = 10 \, {m/s}^2$ ]

Electric potential at a point 'P' due to a point charge of $5 \times 10^{-9}$ C is 50 V. The distance of 'P' from the point charge is: (Assume,

\frac{1}{4\pi\epsilon_0} = 9 \times 10^{9} \, {Nm}^2{C}^{-2}

)

In the given circuit, $E_1 = E_2 = E_3 = 2V$ and $R_1 = R_2 = 4\Omega$ , then the current flowing through the branch AB is: