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  4. 100 mL of 0.1 M acetic acid is completely neutralized using a standard solution of NaOH.The volume of Ethane obtained at STP after the complete electrolysis of the resulting solution is

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Q. $100\, mL$ of $0.1\, M$ acetic acid is completely neutralized using a standard solution of $NaOH$.The volume of Ethane obtained at $STP$ after the complete electrolysis of the resulting solution is

KCETKCET 2012Hydrocarbons

Solution:

Acetic acid on electrolysis gives ethane as

image

Given moles of acetic acid,

$CH _{3} COOH =\frac{0.1 \times 100}{1000}=0.01$

$\because 2\, mol CH _{3} COOH$ gives $C _{2} H _{6}=22.4\, L$

$\therefore 0.01 \,mol CH _{3} COOH$ will give

$C _{2} H _{6}=\frac{22.4 \times 0.01}{2}$

$=0.112\, L$

$=112\, mL$