произведите ряд перевоплощений:CaCO3 -amp;gt; CaC2 -amp;gt; C2H2 -amp;gt; CH3 -amp;gt; CH2

1. 1) CaCO3+
2) CaC2+2H2O-gt;C2H2+ Ca(OH)2
3) C2H2+HOH-gt;CH3CH=O, при Ag^(2+)
2. 1) CH3CH2OH-gt; CH2=CH2+H2O в пребывании концентрированной серной кислоты и температуреgt;140
2) ch2=ch2+h2-gt;ch3-ch3 (при нагревании с никелем)
3) ch3-ch3+Cl2-gt;ch3-ch2Cl+hCl (при свете)
4) ch3-ch2Cl+Naoh (аква)-gt;ch3-ch=O
3. 1) c2h5oh-gt;(400-500 гр)ch2=ch-ch=ch2+2h2o+h2

4. ch3-ch3+cl2-gt;ch3-ch2cl+cl2
ch3-ch2cl+koh-gt;ch2=ch2+kcl+h2o
3ch2=ch2+2KMnO4+4h2o-gt;3ho-ch2-ch2-oh+2MnO2+2Koh
5. 1) 2ch4-.(1500гр)c2h2+3h2
2)c2h2+hoh-gt;ch3-ch=o
3) ch3ch=o+h2-gt;ch3ch2oh
4) c2h5oh+hbr-gt;c2h5br+h2o
5) c2h5br+koh-gt;c2h4+kbr+h2o
6) ch2=ch2+hoh-gt;ch3-ch2oh
7)ch3ch2oh+Cuo-gt; ch3ch=o+h2o+cu
6. ch4+h2o-gt;ch2=o+2h2

ch2=o+h2-gt;ch3oh
ch3oh+hcl-gt; ch3cl+h2o
2ch3cl+2Na-gt;c2h6+2nacl
c2h6-gt;([O]) ch3ch2oh