Chemistry Test ...

In stoichiometric defect, the ratio of positive and negative ions as indicated by a chemical formula of the compound:

A student slowly mixes salt into 25 ml of water until no more salt dissolves in it. The student could make more salt dissolve in the solution by:

A current of \(0.75 {~A}\) is passed through an acidic solution of \(\mathrm{CuSO}_{4}\) for \(10\) minutes. The volume of oxygen liberated at anode (at STP) will be:

Equanil is an example of:

The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at \(25^{\circ} \mathrm{C}\) are \(3.0 \times 10^{-4} \mathrm{~s}^{-1}, 104.4~ \mathrm{kJ~mol}^{-1}\) and \(6.0 \times 10^{14} \mathrm{~s}^{-1}\) respectively. The value of the rate constant as \(\mathrm{T} \rightarrow \infty\) is:

Which of the following pair will form an ideal solution?

In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to:

Pd has exceptional configuration \(4 \mathrm{d}^{10} 5 \mathrm{s}^{2}\), it belongs to:

Calculate the energy associated with first orbit of \(\mathrm{He}^{+}\). What is the radius of this orbit?

Grignard reagent is obtained when magnesium is treated with: