Write a balanced equation using the correct symbols for these chemical reactions:
i) Action of hydrogen on ethene in the presence of nickel catalyst.
ii) Combustion of methane evolving carbondioxide and water.
iii) Dehydrogenation of ethanol.
iv) Decarboxylation of Sodium salt of ethanoic acid.

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Solution

$H_{2}$
(i) $C H_{2} = C H_{2} ⟶ C H_{3} - C H_{3}$
$N i$

$Δ$
(ii) $C H_{4} + 2 O_{2} ⟶ C O_{2} + 2 H_{2} O$

$H_{2} S O_{4}$
(iii) $C H_{3} C H_{2} - O H ⟶ C H_{2} = C H_{2} + 2 H_{2} O$
$443 K$

$Δ$
(iv) $C H_{3} C O O N a ⟶ C H_{4} + C O_{2}$

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Question 47
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Write a balanced equation using the correct symbols for these chemical reactions:i) Action of hydrogen on ethene in the presence of nickel catalyst.ii) Combustion of methane evolving carbondioxide and water.iii) Dehydrogenation of ethanol.iv) Decarboxylation of Sodium salt of ethanoic acid.

H2(i) CH2=CH2⟶CH3−CH3 Ni Δ(ii)CH4+2O2⟶CO2+2H2O H2SO4(iii)CH3CH2−OH⟶CH2=CH2+2H2O 443K Δ(iv)CH3COONa⟶CH4+CO2

Write a balanced equation using the correct symbols for these chemical reactions:
i) Action of hydrogen on ethene in the presence of nickel catalyst.
ii) Combustion of methane evolving carbondioxide and water.
iii) Dehydrogenation of ethanol.
iv) Decarboxylation of Sodium salt of ethanoic acid.

$H_{2}$
(i) $C H_{2} = C H_{2} ⟶ C H_{3} - C H_{3}$
$N i$

$Δ$
(ii) $C H_{4} + 2 O_{2} ⟶ C O_{2} + 2 H_{2} O$

$H_{2} S O_{4}$
(iii) $C H_{3} C H_{2} - O H ⟶ C H_{2} = C H_{2} + 2 H_{2} O$
$443 K$

$Δ$
(iv) $C H_{3} C O O N a ⟶ C H_{4} + C O_{2}$