Chemistry Test ...

The unit of equivalent conductivity is

A thermodynamic system is taken through the cycle ABCD as shown in figure. Heat rejected by the gas during the cycle is:

Identify the correct statement regarding entropy:

Which one of the following has the most nucleophilic nitrogen?

For which of the following reactions \(\frac{k_{310}}{k_{300}}\) would be maximum?

Two gas bulbs A and B are connected by a tube having a stopcock. Bulb A has a volume of 100 ml and contains hydrogen. After opening the gas from A to the evacuated bulb B, the pressure falls down to 40%. The volume of B(in ml) must be:

The energy of activation for a reaction is \(100 \mathrm{KJmol}^{-1}\). The presence of a catalyst lowers the energy of activation by \(75 \%\). What will be the effect on the rate of reaction at \(20^{\circ} C\), other things being equal?

Which of the following statements are correct statement(s) about pyrophosphoric acid(\(\left.{H}_{4} {P}_{2} {O}_{7}\right)\)?

A diatomic molecule has moment of inertia I. By Bohr's quantization condition its rotational energy in the \(n^{t h}\) level \((\mathrm{n}=0\) is not allowed) is:

Global warming is due to increase of: