List of top Questions asked in MET- 2011

The pH of a solution is increased from 3 to 6, its H\(^+\) ion concentration will be:

Solubility product of BaCl\(_2\) is \( 4 \times 10^{-9} \). Its solubility in mol/L would be:

An example of a Lewis acid is:

Radioactive decay is a:

The rate constant for the first order reaction is 60 s\(^{-1}\). How much time will it take to reduce the concentration of the reactant to \( \frac{1}{16} \)th value?

In physical adsorption, the gas molecules are held by solid surfaces through:

The ionic conductance of Ba\(^{2+}\) and Cl\(^{-}\) are respectively 127 and 76 ohm\(^{-1}\) cm\(^2\) at infinite dilution. The equivalent conductance (inohm\(^{-1}\) cm\(^2\)) of BaCl\(_2\) at infinite dilution will be:

The osmotic pressure of a 5% (wt./vol.) solution of cane sugar at 150°C is:

The mole fraction of water in 20% aqueous solution of H\(_2\)O\(_2\) is:

Multimolecular colloids are present in:

Which of the following is a wrong statement?

Rusting of iron is catalysed by which of the following?

Standard electrode potential of NHE at 298 K is:

For a cell reaction involving a two-electron change, the standard emf of the cell is found to be 0.295 V at 25°C. The equilibrium constant of the reaction at 25°C will be:

Which of the following ions form most stable complex compound?

Coordination number of Fe in the complexes [Fe(CN)\(_6\)]\(^{4-}\), [Fe(CN)\(_6\)]\(^{3-}\) and [FeCl\(_4\)]\(^{-}\) would be respectively:

Transition metal with low oxidation number will act as:

Chloride of which of the following element is coloured?

The first element of rare earth metal is:

Which of the following transitions involves maximum amount of energy?

Spiegeleisen is an alloy of:

van-Arkel method of purification of metals involves converting the metal to a:

Which halide will be least reactive in respect to hydrolysis?

The cyanide process is used for obtaining:

Which of the following ore does not represent the ores of iron?