Chemistry
Draw the electron dot structure for the following:
(a) Ammonium ion
(b) A molecule of nitrogen
[At. No.: N=7, H=1]
Related Questions
The following questions are pertaining to the laboratory preparation of Ammonia gas from Magnesium nitride:
(a) Write a balanced chemical equation for its preparation.
(b) Why is this method seldom used?
(c) How do you identify the gas formed?
Write one use of the following alloys:
(a) Bronze
(b) Fuse metal
Give a balanced chemical equation for the following conversions with conditions:
(a) Ethene from ethanol
(b) Ethyne from calcium carbide
(c) Monochloromethane from methane
Study the following observations and name the anions present in each of the reactions.
(a) When a crystalline solid 'P' is warmed with concentrated H2SO4 and copper turnings a reddish brown gas is released.
(b) When few drops of dilute sulphuric acid is added to Salt 'R' and heated, a colourless gas is released which turns moist lead acetate paper silvery black.
(c) When few drops of barium nitrate solution is added to the salt solution 'Q', a white precipitate is formed which is insoluble in HCl.