Ответы на вопрос:
6) ch4 hno3=h2so4=ch3-no2 +h2o
ch3-no2 + 3h2=ch3-nh3oh
ch3-nh3oh +hcl=ch3-nh3cl +h2o
ch3-nh3cl +agno3=ch3-nh3no3 +agcl
ch3-nh3no3 +naoh=ch3-nh2 +nano3 h2o
5)c2h4=c2h2+h2
3c2h2=cактивир=c6h6
c6h6+hno3=c6h5no2+h2o
c6h5no2 +h=c6h5nh2+2h2o
c6h5nh2 +h2so4=(c6h5nh3)2so4
(c6h5nh3)2so4 +2naoh=c6h5nh2 +na2so4
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