19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
FeSO4 is a very good absorber for NO. The number of unpaired electrons in the new compound formed by this process is
Which statement is wrong for NO ?
Which of the following oxides of nitrogen is solid?
In NO ion, the number of bond pairs and lone pair of electrons on nitrogen atom are
The bond order in the NO molecule is
A solution of sodium in liquid ammonia is blue due to the presence of
Ammonia, on reaction with excess of chlorine, gives :
Ammonia gas can be dried by
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 fertilizers on repeated application would increase the acidity of the soil?
The reaction between urea and nitrous acid produces
Which of the following compounds does not give N2 on heating?
Small quantities of very pure N2 is obtained by carefully warming
Which of the following reactions is used in the preparation of N2?
Liquid N2O4 self-ionizes as
White phosphorus reacts with calcium to give a certain compound. This compound on hydrolysis produces
White phosphorus on reaction with limewater gives calcium salt of an acid (A) along with a gas (X). Which of the following is correct?
Phosphorus is obtained by
NH4NO2 NH4NO2 on heating gives
In the cationic parts of solid N2O5 and solid N2O4, the bond order of N–O are, respectively,
When AgNO3 is heated strongly above 800°C, it produces
Pure nitric acid is a colourless liquid, but on exposure to light it turns brownish due to
Which of the following compounds give NH3 on heating? (I) NH4NO3 (II) NH4NO2 (III) (NH4)2 Cr2O7 (IV)(NH4)2CO3 (V) Mg (NH4) PO4
N2 is passed through overheated CaC2. Which of the following options is correct for the product formed? (I) State of hybridization of C is sp. (II) Urea is an intermediate formed during hydrolysis of the above product…
Which of the following compounds does not form ammonia on heating?