19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Borazole, B₃N₃H₆ is related to benzene as:
Which of the following compounds is known as inor- ganic benzene?
Catenation i.e., linking of similar atoms depends on size and electronic configuration of atoms. The tendency of catenation in Group 14 elements follows the order
NaBH₄ + I₂ ® X + Y + Z BF₃ + NaH 450 K ¾¾¾® X + P BF₃ + LiAlH₄ ® X + Q + R X, Y, Z, P, Q and R in the reactions are X Y Z P Q R (a) Na₄B₄O₇ NaI HI HF LiF AlF₃ (b) B₂H₆ NaI H₂ NaF LiF AlF₃ (c) B₂H₆ BH₃ NaI B₃N₃H₆ Al₂F₆…
Which of the statement is true for the above sequence of reactions?
FeSO₄ is a very good absorber for NO. The number of unpaired electrons in the new compound formed by this process is
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 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⁺
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…
Ammonia gas can be dried by
Ammonia, on reaction with excess of chlorine, gives :
Which of the following oxides of nitrogen is a mixed anhydride of two acids?
Liquid N₂O₄ self-ionizes as
A solution of sodium in liquid ammonia is blue due to the presence of
Which of the following forms strong p - p bonding
N₂ is commercially prepared by
Which of the following reactions is used in the preparation of N₂?
Which of the following gases is the least reactive?
Among the following compounds of nitrogen and hydrogen, the most acidic compound is
Which of the following oxides is the most acidic?
An aqueous solution of ammonia consists of
Small quantities of very pure N₂ is obtained by carefully warming
Which of the following halides of nitrogen is stable?
The tendency of nitrogen halides to act as Lewis bases decreases in the order