Zn + 4HNO3 = Zn(NO3)2 +2 NO2 + 2H2O
Zn(0) -2e = Zn(+2) 1 в-ль, ок-ие
N(+5) + 1e = N(+4) 2 ок-ль, в-ие
1. It is correct 2. Spell the word correctly 3.You know it well 4.Of course it is good 5. It is cold in the room 6. Don't look so coldly 7. It is easy. 8.I can do it easily<span>9.It is warm today 10.He always greets us warmly</span>
H3C-CHF-CH2-CH2-CH3
См. правило Марковникова
1. С3Н7ОН+HCl=C3H7Cl+H2O
2.2C3H7Cl+Zn=C6H14+ZnCl2
3.C6H14⇒C6H6+4H2↑
4.C6H6+HNO3(H2SO4)⇒C6H5NO2+H2O
5.C6H5NO2+6H⇒C6H5NH2+2H2O
6.2C6H5NH2+9,5O2⇒12CO2+7H2O+N2↑
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