Chemistry Question Bank

Phosphorus reacts with concentrated HNO₃ to produce

At present, HNO₃ is industrially prepared by the

Iodine reacts with concentrated HNO₃ to produce

Gold reacts with aqua regia forming

Which of the following reactions gives reasonably pure NO?

O₃ cannot oxidise:

Which of the following complexes is responsible for the brown colour of the ring formed in the ring test for the nitrates? (a)[Fe(CN)₅NO]3+ (b)[Fe(H₂O)₄NO]2+NO⁺

Which of the following oxides of nitrogen is a mixed anhydride of two acids?

Liquid N₂O₄ self-ionizes as

Which of the following is/are correct?

A solution of sodium in liquid ammonia is blue due to the presence of

In NO ion, the number of bond pairs and lone pair of electrons on nitrogen atom are

Ammonia, on reaction with excess of chlorine, gives :

Which of the following oxides of nitrogen is solid?

Which of the following forms strong p - p bonding

An aqueous solution of ammonia consists of

Which of the following gases is the least reactive?

N₂ is commercially prepared by

Which of the following is the increasing order of enthalpy of vaporization?

Among the following compounds of nitrogen and hydrogen, the most acidic compound is

Which one of the following compounds is most explosive?

Which of the following oxides is the most acidic?

Which of the following reactions is used in the preparation of N₂?

Which of the following halides of nitrogen is stable?

Ammonia gas can be dried by