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Molar mass of acetic acid is 60. Its emp...

Molar mass of acetic acid is 60. Its empirical formula is:

A

`CH_(2)O`

B

`C_(2)H_(4)O_(2)`

C

`C_(3)H_(6)O_(3)`

D

`C_(2)H_(4)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Acetic acid is `CH_(3)COOH` or `C_(2)H_(4)O_(2)`. Thus, its empirical formula is `CH_(2)O`
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Knowledge Check

  • The molecular formula of a compound gives the actual number of atoms of each element present in a molecule of the compound. It is either the same as the empirical formula or a simple multiple of it. Molecular formula= "(Empirical formula)"_n Where, n is a whole number and its value is obtained by dividing the molecular mass of the compound by its empirical formula mass. Structural formula is that formula which shows in what way different kinds of atoms in a molecule are united or linked together. H-undersetundersetunderset("ethyl")(H)(|)oversetoverset(H)(|)C-undersetundersetunderset("alcohol")(H)(|)oversetoverset(H)(|)C-O-H " "H-undersetundersetunderset("dimethyl ether")(H)(|)oversetoverset(H)(|)C-O-undersetunderset(H)(|)oversetoverset(H)(|)C-H What is the molecular formula of a compound, its empirical formula is CH_2O and its molecular weight is 90?

    A
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    B
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    D
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  • The molecular formula of a compound gives the actual number of atoms of each element present in a molecule of the compound. It is either the same as the empirical formula or a simple multiple of it. Molecular formula= "(Empirical formula)"_n Where, n is a whole number and its value is obtained by dividing the molecular mass of the compound by its empirical formula mass. Structural formula is that formula which shows in what way different kinds of atoms in a molecule are united or linked together. H-undersetundersetunderset("ethyl")(H)(|)oversetoverset(H)(|)C-undersetundersetunderset("alcohol")(H)(|)oversetoverset(H)(|)C-O-H " "H-undersetundersetunderset("dimethyl ether")(H)(|)oversetoverset(H)(|)C-O-undersetunderset(H)(|)oversetoverset(H)(|)C-H An orgainc compound contains C =40% , H = 13.33% and N = 46.67% . Its empirical formula would be

    A
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    D
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