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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: General Organic Chemistry

Olympiad workbook · NSEC · General Organic Chemistry

A monobasic acid ( 0.100 g ) on complete combustion gave 0.252 g of...

A monobasic acid ( 0.100 g ) on complete combustion gave 0.252 g of

\mathrm{CO}_2

and

0.044 \mathrm{~g}^{{}^{{}^{\circ}}}

of

\mathrm{H}_2 \mathrm{O}

. For complete neutralization of 0.122 g of the acid, 10.0 mLof 0.1 M NaOH solution was required. Molecular formula of the acid is

Options

A $\mathrm{C}_7 \mathrm{H}_6 \mathrm{O}_2$
B $\mathrm{C}_6 \mathrm{H}_7 \mathrm{O}_2$
C $\mathrm{C}_7 \mathrm{H}_7 \mathrm{O}_2$
D $\mathrm{C}_6 \mathrm{H}_6 \mathrm{O}_2$

Correct answer

A. $\mathrm{C}_7 \mathrm{H}_6 \mathrm{O}_2$

Step-by-step solution

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