1.
C6H6 + C2H5Br = C6H5-C2H5 + HBr
C6H6 + 3Cl2 = C6H3Cl3 + 3HCl
P - 5e = P(5+)
N(5+) +3e = N(2+)
3P + 5HNO3 + 2H2O = 3H3PO4 + 5NO
<span><span>4 Li</span> + <span>O2</span> → <span>2 <span>Li2O
</span></span></span><span><span>2 Na</span> + S → <span>Na2S
</span></span><span><span>2 K</span> + <span>Cl2</span> → <span>2 <span>KCl
</span></span></span><span>Al + C → <span>AlC
</span></span><span><span>3 <span>Ca</span></span> + <span>2 <span>P</span></span> → <span>Ca3P2</span></span>
Br2 ковалентная неполярная
H2S ковалентная полярная
KCL ионная
I2 ковалентная неполярная
HBr ковалентная полярная
Na2O ионная<span />