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?
Gold reacts with aqua regia forming
FeSO₄ is a very good absorber for NO. The number of unpaired electrons in the new compound formed by this process is
Which of the following oxides of nitrogen is solid?
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⁺
In NO ion, the number of bond pairs and lone pair of electrons on nitrogen atom are
Which of the following oxides of nitrogen is a mixed anhydride of two acids?
Platinum reacts with aqua regia to produce chloroplatinic acid represented by the formula
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…
The reaction between urea and nitrous acid produces
Ammonia gas can be dried by
Small quantities of very pure N₂ is obtained by carefully warming
Which of the following compounds does not give N₂ on heating?
Ammonia, on reaction with excess of chlorine, gives :
Which of the following forms strong p - p bonding
Which of the following gases is the least reactive?
N₂ is commercially prepared by
Which of the following reactions is used in the preparation of N₂?
A solution of sodium in liquid ammonia is blue due to the presence of
White phosphorus is kept under
Which one of the following compounds is most explosive?
Which of the following is the increasing order of enthalpy of vaporization?
The tendency of nitrogen halides to act as Lewis bases decreases in the order
Among the following compounds of nitrogen and hydrogen, the most acidic compound is
Which of the following halides of nitrogen is stable?