Chemistry Test ...

The geometry of \(BF_{3}\), will be:

In the case of alkali metals, the covalent character decreases in the order:

How many stereoisomers are there for the following structure?

In a \(13 \mathrm{~L}\) vessel initially following reaction occur \(\mathrm{C}(\mathrm{s})+\mathrm{S}_{2}(\mathrm{~g}) \rightleftharpoons \mathrm{CS}_{2}(\mathrm{~g})\) by \(12 \mathrm{~g} \mathrm{C}, 64 \mathrm{~g}\) \(\mathrm{S}_{2}, 76 \mathrm{~g} \mathrm{CS}_{2}\) at \(1027^{\circ} \mathrm{C}\) temperature then total pressure is:

Which of the following is a tautomer of phenol?

Increasing order of electronegativity is:

Benzene forms Nitrobenzene on reaction with conc. HNO₃/H₂SO₄, in the reaction HNO₃ acts as a:

Which of the following metal ions precipitates as a sulphide upon treatment with ammoniacal H₂S?

Equal masses of \(H_{2},O_{2}\) and methane have been taken in a container of volume \(V\) at temperature \(27^{\circ} C\) under identical conditions. The ratio of the volumes of gases \(H_{2}, O_{2}\) and \(CH_{4}\) would be

Diborane combines with ammonia at \(120^{\circ} \mathrm{C}\) to give: