JEE Main 2016 — p Block Elements (Group 13 & 14) Question with Solution
JEE Main 2016 (10 Apr Online)
Question
Assertion: Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity.
Reason: Hybridization of carbon in diamond and graphite are and respectively.
Reason: Hybridization of carbon in diamond and graphite are and respectively.
Choose an option
Show full solutionCorrect option: A
Correct answer
ABoth assertion and reason are correct, but the reason is not the correct explanation for the assertion.
Step-by-step explanation
Diamond has strong Dimensional network structure as every carbon is linked with other carbons tetrahedrally via hybridization. In graphite, every carbon is linked to other carbon to forms sheet-like hexagonal structure, and the free electron is along with the layer so good conductor of electricity along with the layer.
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This is a previous-year question from JEE Main 2016, covering the p Block Elements (Group 13 & 14) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.