(a) Write balanced equations

(i) when butane is burnt in oxygen
(ii) preparation of ethylene from ethyl alcohol.

(b)

(i)Convert ethane to acetic acid
(ii)Convert acetylene to ethane
(iii)Convert acetic acid to ethyl alcohol
(iv)Convert acetic acid to ethyl acetate.

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Solution

(a)

i) $2 C_{4} H_{1} 0 (g) + 13 O_{2} (g) \to 8 C O_{2} (g) + 10 H_{2} O (g)$

ii) $C_{2} H_{5} O H + c o n c . H_{2} S O_{4} \to H_{2} C = C H_{2} + H_{2} O$

(b)

i) $C H_{3} - C H_{3} + C l_{2} + s u n l i g h t (c a t) \to C H_{3} C H_{2} C l + a q . K O H \to C H_{3} C H_{2} O H + a l k . K M n O_{4} \to C H_{3} C O O H$

ii) Hydrogenation reaction: $C H \equiv C H + 2 H_{2} N i - \to C H_{3} - C H_{3}$

iii). Reduction reaction: $C H_{3} C O O H E t h a n o i c a c i d L i A l H_{4} - --- \to H_{2} O C H_{3} C H_{2} O H E t h a n o l$

iv). $O O | | | | C H_{3} C - O H A c e t i c A c i d + H O - C H_{2} - C H_{3} E t h a n o l ⟶ C H_{3} - C - O - C H_{2} - C H_{3} E t h y l a c e t a t e + H_{2} O$

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Under what conditions does ethane get converted to :
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