19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following reactions gives reasonably pure NO?
White phosphorus reacts with NaOH to give PH₃ and NaH₂PO₂. This reaction involves
In ozone, the central oxygen atom uses
Which of the following oxides of nitrogen is a mixed anhydride of two acids?
At present, HNO₃ is industrially prepared by the
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?
The reaction between urea and nitrous acid produces
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…
FeSO₄ is a very good absorber for NO. The number of unpaired electrons in the new compound formed by this process is
Ammonia gas can be dried by
N₂ is commercially prepared by
Which of the following reactions is used in the preparation of N₂?
Which of the following forms strong p - p bonding
Small quantities of very pure N₂ is obtained by carefully warming
Which of the following gases is the least reactive?
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⁺
Ozone is prepared by the action of silent electric discharge upon oxygen in an apparatus called ozonizer. The reaction
Which of the following compounds does not give N₂ on heating?
Which of the following is/are correct?
Which of the following halides of nitrogen is stable?
The tendency of nitrogen halides to act as Lewis bases decreases in the order
Which one of the following compounds is most explosive?