19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
PCl₅ on hydrolysis gives
PH₃ and NH₃ on separate reaction with bleaching powder produce respectively
White phosphorus reacts with NaOH to give PH₃ and NaH₂PO₂. This reaction involves
Solid PCl₅ exists as
Which of the following oxoacids of phosphorus is a reducing agent and a monobasic acid as well?
Which of the following statements is correct regarding the behaviour of white phosphorus?
The percentage of p-character in the orbitals forming P–P bonds in P₄ is:
White phosphorus is kept under
White phosphorus is more reactive than N₂ because
The reaction of P₄ with X leads selectively to P₄O₆. The X is:
In NO ion, the number of bond pairs and lone pair of electrons on nitrogen atom are
A solution of sodium in liquid ammonia is blue due to the presence of
Which of the following oxides of nitrogen is solid?
On boiling phosphorus with KOH solution, product formed is
Which of the following compounds consists of a P–P linkage?
Which of the following compounds does not give N₂ on heating?
The reaction between urea and nitrous acid produces
Which of the following reactions is used in the preparation of N₂?
Small quantities of very pure N₂ is obtained by carefully warming
Mg (NH₄)PO₄ and Na(NH₄) HPO₄ are heated separately. Which of the following statements is/are completely incorrect regarding the product obtained in the above process? (I) Same gas is evolved (II) Same type of phosphat…
Which of the following gases is the least reactive?
Which of the following forms strong p - p bonding
An aqueous solution of ammonia consists of
N₂ is commercially prepared by
Ammonia gas can be dried by