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A: Graphite is an aromatic hydrocarbon.
R: The enthalpy of formation of graphite is maximum amongst allotropes of carbon.
(a)If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).
(b)If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion, then mark (2).
(c)If Assertion is true statement, but Reason is false, then mark (3).
(d)If both Assertion and Reason are false statements, then mark (4).

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Important Questions on The p-Block Elements
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Reason: Hybridization of carbon in diamond and graphite are and respectively.

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Match list-I with List-II :
List - I | List - II |
A. Coke | I. Carbon atoms are hybridised |
B. Diamond | II. Used as dry lubricants |
C. Fullerene | III. Used as a reducing agent |
D. Graphite | IV. Cage like molecules |
Choose the correct answer from the options given below:

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Identify the correct statements regarding fullerene.
It has vertices.
All the carbon atoms are in the hybridisation.
The number of rings having six carbons each is and the number of rings having five carbons each is .
All the bond lengths in it are equal.

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Explain the following property of group 16 elements:
Allotropy

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