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C_7H_7Br + HBr \\ C_7H_7Br + NaOH - > C_7H_8O + NaBr \\ C_7H_8O+CH_3Cl - > C_7H_7Cl + CH_4O \\ C_7H_7Cl+ KMnO_4 - > C_7H_5O_2+H_2KMnO_2" alt="C_7H_8 + Br_2 - > C_7H_7Br + HBr \\ C_7H_7Br + NaOH - > C_7H_8O + NaBr \\ C_7H_8O+CH_3Cl - > C_7H_7Cl + CH_4O \\ C_7H_7Cl+ KMnO_4 - > C_7H_5O_2+H_2KMnO_2" align="absmiddle" class="latex-formula">