Advertisements
Advertisements
Question
When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.
What is the colour of this precipitate? Name the compound precipitated.
Advertisements
Solution
The compound precipitated is lead iodide having a yellow colour.
APPEARS IN
RELATED QUESTIONS
Balance the given equation:
AI2(SO4)3 +NaOH
AI(OH)3 + Na2SO4
Rewrite the following information in the form of a balanced chemical equation:
Magnesium burns in carbon dioxide to form magnesium oxide and carbon.
When a mixture of gases X and Y is compressed to 300 atm pressure and then passed over a catalyst consisting of a mixture of zinc oxide and chromium oxide (heated to a temperature of 300°C), then an organic compounds Z having the molecular formula CH4O is formed. X is a highly poisonous gas which is formed in appreciable amounts when a fuel burns in a limited supply of air; Y is a gas which can be made by the action of a dilute acid on an active metal; and Z is a liquid organic compound which can react with sodium metal to produce hydrogen gas.
(a) What are X, Y and Z?
(b) Write a balanced chemical equation of the reaction which takes place when X and Y combine to form Z. Indicate the conditions under which the reaction occurs.
Write your observations and name the product when
Iron nails are added to an aqueous solution of copper sulphate.
Write word equation for the following skeletal equation:
\[\ce{KClO3 -> KCl + O2}\]
Balance the following equation .
N2 + O2 → NO
Balance the following equation. Also name the product formed.
`"Na"+ "H"_2 "O" → "NaOH"+ "H"_2`
Balance the equation stepwise.
NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + H2O(l)
Balance the following equation:
Pb3O4 → PbO + O2
Why should a magnesium ribbon be cleaned before burning in air?
