Chemistry Test ...

In the reaction, \(\mathrm{Cl}_{2}+\mathrm{OH}^{-} \rightarrow \mathrm{Cl}^{-}+\mathrm{ClO}_{3}+\mathrm{H}_{2} O\), chlorine is:

Chromatography is based on:

The gas used in the hydrogenation of oils in presence of nickel as a catalyst to give vanaspati is:

Equilibrium constant for two complexes are

\(\mathrm{A}: \mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right] 2.6 \times 10^{37}\) (for dissociation)

\(\mathrm{B}: \mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right] 1.9 \times 10^{17}\) (for dissociation)

Given

In the above compounds correct order of reactivity in electrophilic substitution reactions will be:

Which of the following is true for the basicity of amines?

Which of the following xenon-oxo compounds may not be obtained by hydrolysis of xenon fluorides?

Oxygen gas can be prepared from solid KMnO₄ by:

The wavelength range of the visible spectrum extends from violet \((400 \mathrm{~nm}\) ) to red ( \(750 \mathrm{~nm}\) ). Express these wavelengths in frequencies (Hz). (1nm \(\left.=10^{-9} \mathrm{~m}\right)\)

Match List-I with List-II.

Choose the most appropriate answer from the options given below.