19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following statements is correct?
Which of the following statements is true for the H₃PO₃ molecule?
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
The percentage of p-character in the orbitals forming P–P bonds in P₄ is:
The reaction of P₄ with X leads selectively to P₄O₆. The X is:
White phosphorus reacts with concentrated HNO₃ to give
On boiling phosphorus with KOH solution, product formed is
Which of the following oxides of nitrogen is solid?
White phosphorus is kept under
White phosphorus is more reactive than N₂ because
Which of the following statements is correct regarding the behaviour of white phosphorus?
Syrupy H₃PO₄ is viscous due to
Ozone is an extremely powerful oxidizing agent. It is
Which of the following compounds is thermodynamically unstable?
Which of the following compounds does not give N₂ on heating?
The reaction between urea and nitrous acid produces
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 forms strong p - p bonding
N₂ is commercially prepared by
Ammonia gas can be dried by
Which of the following reactions is used in the preparation of N₂?