List of top Chemistry Questions

Total volume of atoms present in a face centred cubic unit cell of a metal is ($r$ is atomic radius)

The set representing the correct order for first ionisation potential is

Heisenberg?s uncertainty principle can be explained as

Which of the following is not reducing sugar?

The yellow precipitate formed during the chromyl chloride test is chemically _____

The IUPAC name of these is

The correct formula of the complex tetraammineaquachlorocobalt (III) chloride is

\([\text{Co}(NH_3)_4Cl_2]NO_2\) and \([\text{Co}(NH_3)_4ClNO_2]Cl\) exhibit which type of isomerism?

Coordination number of Ni in \([Ni(C_2O_4)_3]^{4-}\) is

Which of the following pairs has both members from the same period of periodic table :

In the periodic table, with the increase in atomic number, the metallic character of an element

For a reaction type \(A + B \rightarrow\) products, it is observed that doubling concentration of \(A\) causes the reaction rate to be four times as great, but doubling amount of \(B\) does not affect the rate. The unit of rate constant is

A chemical reaction was carried out at \(320\,K\) and \(300\,K\). The rate constants were found to be \(k_1\) and \(k_2\) respectively. Then

In which of the following case, does the reaction go farthest to completion?

The standard Gibbs free energy change, \(\Delta G^\circ\) is related to equilibrium constant, \(K_p\), as

The yield of the product in the reaction
\[ A_2(g) + 2B(g) \rightleftharpoons C(g) + Q\,kJ \] would be higher at

For the reaction,
\[ 2A(g) + B_2(g) \rightleftharpoons 2AB_2(g) \] the equilibrium constant, \(K_p\) at \(300\,K\) is \(16.0\). The value of \(K_p\) for \(AB_2(g) \rightleftharpoons A(g) + \dfrac{1}{2}B_2(g)\) is

Most crystals show cleavage because their atoms, ions or molecules are

Frenkel defect is generally observed in

The radius of \(Na^+\) is \(95\,pm\) and that of \(Cl^-\) ion is \(181\,pm\). Hence, the coordination number of \(Na^+\) will be

The equivalent conductance at infinite dilution of a weak acid such as HF

The number of Faradays needed to reduce \(4\,g\) equivalents of \(Cu^{2+}\) to Cu metal will be

Which one of the following cells can convert chemical energy of \(H_2\) and \(O_2\) directly into electrical energy?

Which of the following is a Gattermann aldehyde synthesis?

Aldol is