Chemistry Test ...

\(\mathrm{KMnO}_4\) acts as an oxidising agent in an alkaline medium. When alkaline \(\mathrm{KMnO}_4\) is treated with \(\mathrm{KI}\), the iodide ion is oxidised to:

Chain-growth polymerization may proceed by the following mechanism:

In the froth flotation method, ore powder is placed in a tank filled with a mixture of:

A photocell employs the photoelectric effect to convert:

Consider the following statements.

I. \(N C l_{5}\) does not exist while \(P C l_{5}\) does.

II. Both \(O_{2}^{+}\) and \(N O\) are paramagnetic.

III. The three C−O bonds are not equal in carbonate ions.

IV. Lead prefers to form the tetravalent compound. Which of the above statements are incorrect?

The oxidation state of sulphur in \(N a_{2} S_{4} O_{6}\) is:

Which of the following scientist proposed that a ‘vital force’ was responsible for the formation of organic compounds?

______ is the only non-metal placed with alkali metals.

_______________________occurs naturally in the environment.

The product of the following reaction is