Question

с6h4+ch3cl+na-->......-->c6h4(cooh)2

Answer 1

1) С6H4-CH3Cl+2Na = 2NaCl+CH3-C6H4-CH3;
2) NaOH + C6H4(COOH)(COO{-})K{+} = Na + KO + C6H4(COOH)2