Identify the gases evolved in the above reactions?
A
(1,5)−CO2,(2)−H2,(3)−Cl2 and H2,(4)−Cl2
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B
(1,3)−H2 and Cl2,(2)−H2,(4)−Cl2,(5)−CO2
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C
(1)−CO2 and Cl2,(2,5)−H2,(3)−Cl2,(4)−H2 and Cl2
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D
(1)−H2 and Cl−2,(2,4)−H2,(3,4)−Cl2
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Solution
The correct option is A(1,5)−CO2,(2)−H2,(3)−Cl2 and H2,(4)−Cl2 The balance equations are: 1) NaHCO3+HCl→NaCl+H2O+CO2 (2) 2NaOH+Zn→Na2ZnO2+H2 (3) NaCl+H2O→Na+(ion)+Cl−(ion)+H2O (4) MnO2+4HCI→Cl2+2H2O+MnCl2(5) CH4+2O2→CO2+2H2O Hence the correct option is {a}