HCH burchagi kattalashadigan reaksiyalarni korsating: 1) CH2 = CH2 + H

95. (V20/21-132-9) HCH burchagi kattalashadigan reaksiyalarni korsating: 1) CH2 = CH2 + H2 — C2H6; 2) C2H6 -+ C2H4 + H2; 3) CH3 - CH3 —> CH = CH + 2Н2; 4) СН4 1500~~ > С2Н2 + ЗН2. А) 1,2,3 В) 1,3, 4 С) 1,4
D) 2, 3, 4