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11.3 Unsaturated Hydrocarbons — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10Chemistry11.3 Unsaturated Hydrocarbons2 Marks
Question
Write the balanced equations to convert:
(a) Ethanol to ethene
(b) Ethene to ethanol
✓

Answer

(a) Ethanol to ethene:
$
CH _3 CH _2 OH \xrightarrow[170^{\circ} C ]{\text { conc } H _2 SO _4} CH _2= CH _2+ H _2 O
$
(b) Ethene to ethanol:
$
CH _2= Ch _2+ H _2 O \xrightarrow{ H } CH _3- CH _2 OH
$

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