Question

CH4>CH3Cl>C2H6>C2H5Cl
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C2H2 C2H4

Answer 1

1)CH4+Cl2=CH3Cl+HCl

2)2 CH3Cl+2 Na=C2H6+2 NaCl

3) C2H6+Cl2=C2H5Cl+HCl

4)2 CH4=C2H2+3 H2↑

5)C2H2+H2↑=C2H4