Chemistry
The reaction:
BaCl2 (aq) + H2SO4 (aq) ⟶ BaSO4 (s) + 2HCl (aq) is
(i) displacement reaction
(ii) neutralisation reaction
(iii) decomposition reaction
(iv) double displacement reaction
Chemical Reaction
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Answer
Double displacement reaction
Reason — A chemical reaction in which both reactants [compounds] are decomposed to give two new compounds by exchanging their radicals is called a Double decomposition or double displacement reaction.
It is represented as XY + AB ⟶ XB + AY
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Related Questions
Which of the following is not a characteristic of a chemical change?
(i) It is irreversible
(ii) No net energy change is involved
(iii) New substance is formed
(iv) Involves absorption or liberation of energy
A reaction of a type: AB + CD ⟶ AD + CB, involves
(i) no chemical change
(ii) decomposition of AB and CD
(iii) exchange of ions of AB and CD
(iv) combination of AB and CD
Thermal decomposition of sodium carbonate will produce
(i) carbon dioxide
(ii) oxygen
(iii) sodium hydroxide
(iv) no other product
Match the following :
