Question
Download Solution PDFWhich one of the following statements about a compound is NOT correct?
Answer (Detailed Solution Below)
A compound is an impure substance
Detailed Solution
Download Solution PDFCONCEPT:
Properties and Characteristics of Compounds
- A compound is a substance formed when two or more elements are chemically bonded together.
- The elements in a compound are combined in a fixed proportion by mass.
- The properties of a compound are entirely different from the properties of its constituent elements.
- The components of a compound cannot be separated by physical methods such as filtration or distillation but require chemical or electrochemical reactions.
- A compound is considered a pure substance because it has uniform composition throughout and consistent properties.
EXPLANATION:
- Option 1 is correct as it defines the basic nature of compounds.
- Option 2 is correct as the properties of compounds are distinct from their elements.
- Option 3 is incorrect because a compound is a pure substance, not an impure substance.
- Option 4 is correct as the separation of compounds requires chemical or electrochemical reactions.
Therefore, the statement that is NOT correct is A compound is an impure substance.
Hence, the correct answer is Option 3.
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