Chemistry Past Questions

In the redox reaction MnO4- + Y + 5Fe2+ -> Mn2+ + 5Fe3+ + 4H2O, Y is:

The compound (chiral) exhibits:

In n(P) <=> Q + n(H2O), P and Q respectively represent:

The principle of column chromatography is based on the ability of the constituents to:

Ammonium chloride can be separated from its mixture with common salt by:

The ability of carbon to form long chains is referred to as:

The industrial preparation of hydrogen gas from water gas is referred to as:

The relative atomic mass of naturally occurring lithium consisting of 90% 7Li and 10% 6Li is:

The colour of litmus in an alkaline medium is:

The compounds CH3CH2CHO (propanal) and CH3COCH3 (propanone) can be distinguished using:

Which of the following is true about 2-methylpropane and butane?

The process that requires the use of hard water in its operation is: