\(CH_4 + Cl_2 \to CH_3Cl + HCl\\ CH_3-CH_3 + Br_2 \to CH_2Br-CH_3\\ CH_2=CH_2 = Br_2 \to CH_2Br-CH_2Br\\ CH_3CH=CH_2 + HBr \to CH_3CHBr-CH_3\\ CH_2=CH_2 + H_2O \to CH_3-CH_2OH\\ 3CH_2=CH_2 + 2KMnO_4 + 4H_2O \to 3CH_2OH-CH_2OH + 2MnO_2 + 2KOH\\ CH_2=CH-CH=CH_2 + Br_2 \to CH_2Br-CHBr-CH=CH_2 \\ CH≡CH + H_2O \to CH_3CHO\\ CH≡CH + 2AgNO_3 + 2NH_3 \to Ag_2C_2 + 2NH_4NO_3\\ CH≡CH + H_2 \to CH_2=CH_2\\ C_6H_5-CH_3 +Cl_2 \to C_6H_5-CH_2Cl + HCl\)
1. CH4 + Cl2 → CH3Cl + HCl
CH3Cl + Cl2 dư → CH2Cl2 + HCl
CH2Cl2 + Cl2 dư → CHCl3 + HCl
CHCl3 + Cl2 dư → CCl4 + HCl
2. CH3 - CH3 + Br2 \(\underrightarrow{as}\) CH3-CH2-Br + HBr
3. CH2=CH2 + Br2 → Br-CH2-CH2 - Br
4. CH3 - CH=CH2 + HBr → CH3-CH2-CH2-Br
5.CH2=CH2 + H2O → CH3 - CH2-OH
6. 3CH2=CH2 +2KMnO4 + 4H2O → 2KOH + 2MnO2 + 3HO-CH2-CH2-OH
7.CH2=CH-CH=CH2 + Br2 → 3CHBr-CH=CH-CHBr
8.CH\(\equiv\) CH +H2O \(\rightarrow\) CH3CHO
9.CH\(\equiv\) CH + 2AgNO3 + 2NH3 \(\rightarrow\) Ag-C\(\equiv\)C-Ag + 2NH4NO3
10.CH\(\equiv\) CH + H2 → CH2=CH2
CH2 = CH2 + H2 dư \(\rightarrow\) CH3-CH3
11. C6H5-CH3 + Cl2 \(\rightarrow\) C6H5-CH2Cl + HCl
