Question

5. Balance each equation.

a. FeCl3 + NaOH →→ Fe(OH)3 + NaCl
b. CS₂ + Cl₂- → CCl4 + S₂Cl₂
c. KI + Pb(NO3)2 Pbl₂+ KNO3
d. C₂H₂ + O₂ CO₂ + H₂O

Answer 1

a. FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

b. CS₂ + 3Cl₂ → CCl₄ + S₂Cl₂

c. 2KI + Pb(NO₃)₂ → PbI₂ + 2KNO₃

d. C₂H₂ + 2.5O₂ → 2CO₂ + H₂O

Note: In equation d, the coefficients have to be balanced using fractional numbers.

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