Question

State Henry’s law about partial pressure of a gas in a mixture.

Write the structure of an isomer of compound C₄H₉Br which is most reactive towards $\mathrm{S}_{N}1$reaction.

Define mole fraction.

How would you account for the following ? Many of the transition elements are known to form interstitial compounds.

Explain the following : (i) The enthalpies of atomization of transition metals are quite high. (ii) The transition metals and many of their compounds act as good catalysts.

Explain the following observation : Most of the transition metal ions exhibit characteristic colour in aqueous solution.

Define an ideal solution.