Consider the following statements regarding diamond and graphite: I. Diamond and graphite are i...

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Consider the following statements regarding diamond and graphite:

I. Diamond and graphite are isotopes of carbon.
II. \( \mathrm{C}-\mathrm{C} \) bond length in diamond is greater than that in graphite.
III. Graphite is poor conductor of electricity than diamond
Select the correct statement/s
a. I and II
b. Only III
c. Only II
d. I, II and III
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