Name the products formed and write an equation when ethyne is added to the following in an inert solvent:
a) Chlorine
b) Bromine
c) Iodine
d) Hydrogen
e) Excess of hydrochloric acid

[5 MARKS]

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Solution

Each Part: 1 Mark

(d) $C_{2} H_{2} E t h y n e + 2 H_{2} N i - \to Δ C_{2} H_{6} E t h a n e$

(e) $H - C \equiv C - H + H C l \to C H_{2} = C H - C l C h l o r o e t h e n e + H C l - -- \to C H_{3} - C H C l_{2} 1, 1 - D i c h l o r o e t h a n e$

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Name the products formed and write an equation when ethyne is added to the following in an inert solvent: a) Chlorine b) Bromine c) Iodine d) Hydrogen e) Excess of hydrochloric acid [5 MARKS]

Each Part: 1 Mark (d) C2H2Ethyne+2H2Ni−→ΔC2H6Ethane (e) H−C≡C−H+HCl→CH2=CH−ClChloroethene+HCl−−−→CH3−CHCl21,1−Dichloroethane

Name the products formed and write an equation when ethyne is added to the following in an inert solvent:
a) Chlorine
b) Bromine
c) Iodine
d) Hydrogen
e) Excess of hydrochloric acid

[5 MARKS]

Each Part: 1 Mark

(d) $C_{2} H_{2} E t h y n e + 2 H_{2} N i - \to Δ C_{2} H_{6} E t h a n e$

(e) $H - C \equiv C - H + H C l \to C H_{2} = C H - C l C h l o r o e t h e n e + H C l - -- \to C H_{3} - C H C l_{2} 1, 1 - D i c h l o r o e t h a n e$