Chemistry
Give two examples each of the following oxides -
(a) Acidic oxides
(b) Basic oxides
(c) Amphoteric oxides
(d) Neutral oxides.
State which of the following oxides i.e. (a) to (d) -
(i) React with water to give a base
(ii) React with a base to give salt & water
(iii) React with acids & bases to give salt & water.
Answer
(a) Acidic oxides — SO2 , CO2
(b) Basic oxides — K2O, CaO
(c) Amphoteric oxides — ZnO, PbO
(d) Neutral oxides — NO, CO
(i) React with water to give a base — (b) Basic oxides
(ii) React with a base to give salt & water — (a) Acidic oxides
(iii) React with acids & bases to give salt & water — (c) Amphoteric oxides
Related Questions
Certain thermal decomposition reactions, result in formation of oxides. Give balanced equations for the thermal decomposition of the following, which result in formation of a metallic oxide.
(a) Limestone
(b) Lead carbonate
(c) Calcium nitrate
(d) Calcium hydroxide.
State the meaning of the term 'oxide. Give a balanced equation for formation of the following oxides -
(a) Sulphur dioxide from a non-metal
(b) Zinc oxide from a metal
(c) Lead oxide from a mixed oxide.
Give one example each of -
(a) A peroxide
(b) A mixed oxide
(c) A dioxide.
Select the correct answer from A, B, C, D and E for each statement given below:
A: Iron
B: Carbonic acid
C: Hydrogen
D: Oxygen
E: Carbon monoxide
The product formed during direct combination reaction of carbon dioxide & water.
The neutral gas obtained on thermal decomposition of potassium nitrate.
The displaced product of the displacement reaction of sodium with cold water.
The catalyst used in the catalytic reaction involving the reactants nitrogen & hydrogen.
A neutral oxide which does not react with an acid or a base to give salt & water.