Which of the following are redox reactions? p4(s)+10hclo(aq)+6h2o(l)→4h3po4(aq)+10hcl(aq) br2(l)+2k(s)→2kbr(s) ch3ch2oh(l)+3o2(
g.→3h2o(l)+2co2(
g. zncl2(aq)+2naoh(aq)→zn(oh)2(s)+2nacl(aq)
g.→3h2o(l)+2co2(
g. zncl2(aq)+2naoh(aq)→zn(oh)2(s)+2nacl(aq)