Question

3. Balance the following equations by hit and trial method :
(i) Al+ HCI=== AlCl3 + H2
(ii) CH4 +02 === CO2 + H20
(iii) HgO === Hg+02
iv) Al2(SO4)+NaOH===Al(OH)+ Na2SO4
v) H2+O2===H2O

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Answer 1

Answer:

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Answer 2

1. Al+HCl=== AlCl3 + H2

ans. 2Al+6HCl==2AlCl3+3H2

2.CH4+O2===CO2+H2O

ans. CH4+2O2== CO2+2H2O

3.HgO===Hg+O2

ans. 2Hgo==2Hg+O2

4.Al2(SO4)+NAOH===AL(OH)+NA2SO4

ans. it is already done by balancing.

5.H2+O2===H2O

ans.2H2+O2==2H2O