Questions

The oxyacid of sulphur that contains a lone pair of electrons on sulphur is

Options

(a) sulphurous acid (b) sulphuric acid (c) peroxodisulphuric acid (d) pyrosulphuric acid

Correct Answer:

sulphurous acid

Explanation:

No […]

Which of the following is most volatile

Options

(a) HF (b) HCl (c) HBr (d) HI

Correct Answer:

HI

Explanation:

No explanation available. Be the first to write the explanation for this question […]

XeF₆ on complete hydrolysis gives

Options

(a) Xe (b) XeO₂ (c) XeO₃ (d) XeO₄

Correct Answer:

XeO₃

Explanation:

Partial hydrolysis of XeF₆ yields XeOF₄ and XeO₂F₂ and complete hydrolysis yields xenon trioxide,XeO₃. XeF₆ […]

which of the following non-metal possesses the atomicity double than that of phosphorus

Options

(a) Oxygen (b) Sulphur (c) Nitrogen (d) Arsenic

Correct Answer:

Sulphur

Explanation:

No explanation available. Be the first to […]

The predominant intermolecular forces in HF is due to

Options

(a) dipole-induced dipole interaction (b) hydrogen bond formation (c) dispersion interaction (d) dipole-dipole interaction

Correct Answer:

hydrogen bond formation

Explanation:

In intermolecular hydrogen […]

Anomalous behaviour of nitrogen is due to

Options

(a) small size and high electronegativity (b) non-availability of d-orbitals in the valency shell (c) ease of multiple bond formation (d) all of the above

Correct […]

Ammonia can be dried by

Options

(a) conc.H₂SO₄ (b) P₂O₅ (c) anhydrous CaCl₂ (d) none of these

Correct Answer:

none of these

Explanation:

No explanation available. Be the first to write the explanation […]