List of top Questions asked in BITSAT- 2012

Which alkene on ozonolysis gives \( \text{CH}_2 \text{CHO} \) and \( \text{CH}_3 \text{CO} \)?

Which of the following has correct increasing basic strength?

\( \text{CO}_2 \) goes to air, causes greenhouse effect and gets dissolved in water. What will be the effect on soil fertility and pH of the water?

An extremely hot copper wire reacts with steam to give:

Formation of ozone in the upper atmosphere from oxygen takes place by the action of:

The boiling point of water is exceptionally high because

Which of the following gives maximum value of enthalpy of physiolysis?

Which of the following is soluble in yellow ammonium sulphide?

In the reaction \[ \text{Br}_2 + 6 \text{CO} \to 3 \text{H}_2 + \text{Br}^+ + 3 \text{CO}_3 \]

\( 2N_2O_5 \to 4NO_2 + O_2 \) If rate and rate constant for above reaction are \( 2.40 \times 10^{-5} \, \text{mol L}^{-1} \text{s}^{-1} \) and \( 3 \times 10^{-5} \, \text{s}^{-1} \), respectively, then calculate the concentration of \( N_2O_5 \):

In the reaction of KMnO\(_4\) with an oxalate in acidic medium, MnO\(_4^-\) is reduced to Mn\(^{2+}\) and C\(_2\)O\(_4^{2-}\) is oxidized to CO\(_2\). Hence, 50 mL of 0.02 M KMnO\(_4\) is equivalent to:

Alizarin is an example of:

2,4-Dichlorophenoxyacetic acid is used as:

The pOH value of a solution whose hydroxide ion concentration is $6.2 \times 10^{-9}$ mol/litre is

Two capacitors \( C_1 \) and \( C_2 \) are charged to 120 V and 200 V respectively. It is found that by connecting them together the potential on each one can be made zero. Then:

The laws of electromagnetic induction have been used in the construction of a:

For an isothermal expansion of a perfect gas, the value of \( \frac{\Delta P}{P} \) is equal to:

In a Young's double slit experiment the angular width of a fringe formed on a distant screen is \( 1^\circ \). The wavelength of the light used is \( 6280 \, \text{Å} \). What is the distance between the two coherent sources?

A letter 'A' is constructed of a uniform wire with resistance 1.0 \( \Omega \) per cm. The sides of the letter are 20 cm and the cross piece in the middle is 10 cm long. The apex angle is 60°. The resistance between the ends of the legs is close to:

A large drop of oil (density 0.8 g/cm³ and viscosity \( \eta_0 \)) floats up through a column of another liquid (density 1.2 g/cm³ and viscosity \( \eta_L \)). Assuming that the two liquids do not mix, the velocity with which the oil drop rises will depend on:

In a region of space having a uniform electric field \( E \), a hemispherical bowl of radius \( r \) is placed. The electric flux \( \Phi \) through the bowl is:

An oscillator is nothing but an amplifier with: