A. CO
B. CO2
C. SO2
D. HCl
Which one of the following compounds in aqueous solution gives a white precipitate with perichloric acid ?
Bond energy of Cl2,Br2 and I2 follow the order
The correct order of reducing abilities of hydrides of V group elements is
The number of sigma and pi bonds in peroxodisulphuric acid are, respectively
"Fluorosis" disease is caused due to the reaction of ________ with excess of fluoride in the body
Two oxides of nitrogen,NO and NO2 react together at 2530K and form a compound of nitrogen X.X reacts with water to yield another compound of nitrogen Y.The shape of the anion of Y molecule is