Chemistry
Give an example of a chemical equation in which two reactants form –
(a) one product
(b) two products
(c) three products
(d) four products
Chemical Equation
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Answer
(a) NH3 + H2O ⟶ NH4OH
(b) C2H5Br + NaOH ⟶ C2H5OH + NaBr
(c) 6CO2 + 12H2O ⟶ C6H12O6 + 6H2O + 6O2
(d) 2KMnO4 + 16HCl ⟶ 2KCl + 2MNCl2 + 8H2O + 5Cl2
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(b) Give a reason why the above equation is balanced.
(c) State why the compound MnO2 is written above the arrow.
What do the following symbols present in a chemical equation mean.
(i) ⟶
(ii) ⇌
(iii) (s)
(iv) (I)
(v) (g)
(vi) (aq.)