Formula of haloform is_________________?
Correct answer: C. CHX3
- A. HCOX
- B. CX4
- C. CHX3
- D. CH3X
Explanation
A haloform has one hydrogen and three halogen atoms attached to the same carbon, so its general formula is CHX3, where X may be Cl, Br or I. Students may choose CX4 by confusing a haloform with a tetrahalomethane, which has no hydrogen.
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About Reactivity of Aldehydes and Ketones
The polar carbonyl group makes aldehydes and ketones undergo nucleophilic addition, reduction and condensation reactions. Aldehydes are generally more reactive and oxidise readily to carboxylic acids, whereas ketones resist mild oxidation; reactions with hydrogen cyanide, sodium bisulfite and 2,4-DNP help identify their behaviour.
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679 free Aldehydes and Ketones MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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