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Graphite

Thermodynamic...

Question

Thermodynamically the most stable form of carbon is
(a) diamond (b) graphite
(c) fullerenes (d) coal

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Solution

(b) Graphite is thermodynamically the most stable form of carbon.

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Similar questions

Answer the following questions :

(a) Why is graphite a good conductor of electricity but not diamond ?

(b) Why is diamond very hard ?

(c) What are fullerenes ? Name the most common fullerene.

(d) What impurity is present in black diamond ?

Q. Which allotropic form of carbon is thermodynamically the most stable ?

Q. The hybridization of Carbon in Diamond . Graphite and Fullerenes respectively

Q. Which of the following statements is/are incorrect for diamond?
(a) The refractive index of diamond is highest among solids.
(b) Diamond is hard because all the valence electrons of each carbon atom are involved in bond formation.
(c) Diamond is thermodynamically more stable than graphite.
(d) One carat of diamond represents its weight.

Q. Assertion :Diamond is thermodynamically less stable than its allotrope graphite. Reason: Molar entropy of graphite is greater than that of diamond under similar conditions.

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