Empirical formula of chloroform is____________________?
Correct answer: D. CHCL3
- A. CH2 C12
- B. CH3C1
- C. CC14
- D. CHCL3
Explanation
Chloroform has the molecular formula CHCl3, and the subscripts 1:1:3 cannot be reduced by a common factor, so its empirical formula is also CHCl3. The likely mistake is choosing CH3Cl, which has the same atoms but incorrect chlorine and hydrogen subscripts.
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About Classification of Organic Compounds
Organic compounds are classified by carbon skeleton into open-chain, branched-chain and cyclic compounds, including homocyclic and heterocyclic types. The classification also uses functional groups to distinguish hydrocarbons, halo compounds, alcohols, aldehydes, ketones, carboxylic acids and their derivatives, which is different from naming compounds by IUPAC rules.
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