मराठी

An organic compound, whose vapour density is 45, has the following percentage composition, H = 2.22%, O = 71.19% and remaining carbon. Calculate its molecular formula.

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प्रश्न

An organic compound, whose vapour density is 45, has the following percentage composition,

H = 2.22%, O = 71.19% and remaining carbon. Calculate its molecular formula.

संख्यात्मक
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उत्तर

The molecular weight of the compound = 90

Empirical formula weight of the compound = 12 + 1 + 2 x 16 = 45

n = `"Molecular weight"/"Empirical formula weight"`

= `90/45`

= 2

∴ Molecular formula of the compound = (CHO2)2

= C2H2O4

= (COOH)2

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पाठ 5: Mole concept and Stoichiometry - EXERCISE-5C [पृष्ठ ९०]

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एस.पी. सिंह Concise Chemistry [English] Class 10 ICSE
पाठ 5 Mole concept and Stoichiometry
EXERCISE-5C | Q 12. (b) | पृष्ठ ९०
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