Ответ:

1) C6H5-CH3 + CL2-> C6H5-CHCL2 + H2

2) C6H5-CHCL2+ 2KOHводн-> C6H5-CH(OH)2+2KCL

3) C6H5-CH(OH)2+ K2Cr2O7-> Cr2(SO4)3+ K2SO4 +H2O+ C6H5-COOH

4) C6H5-COOH+NaOHводн->C6H5-COONa+ H2O

5) C6H5-COONa+NaOHсплавл->Na2CO3+ C6H5