Chemistry Test-...

The value of \(K_{p}\) for the equilibrium reaction \(N _{2} O _{4}(g) \rightleftharpoons 2 NO _{2}(g)\) is \(2\)

The percentage dissociation of \(N _{2} O _{4}(g)\) at a pressure of \(0.5 atm\) is:

Corrosion is an example of which type of reaction?

Which of the following is paramagnetic?

Two radioactive materials \(A\) and \(B\) have decay constants \(10 \lambda\) and \(\lambda\), respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of A to that of B will be \(1 / e\) after a time:

Drugs are chemicals of molecular masses:

If the adsorption is due to the weak van der waals forces between adsorbent and adsorbate, it is termed as:

Which of the following is a linear molecule?

Which of the following antibiotic contains a nitro group attached to the aromatic nucleus in its structure?

In producing chlorine through electrolysis \(100\) watt power at \(125 V\) is being consumed. How much chlorine per minute is liberated?

Electrochemical Equivalent of chlorine is \(0.367 \times 10^{-6} kg /\) coulomb.

A mixture consists of two radioactive materials \(A_{1}\) and \(A_{2}\) with half lives of \(20\) second and \(10 \) second respectively. Initially the mixture has \(40\) gm of \(A _{1}\) and \(160\) gm of \(A _{2}\). The amount of the two in the mixture will become equal after: