When diamond is heated to $1500$ , in the absence of air, it forms:

graphite

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carbon black

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soot

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coke

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Solution

The correct option is A graphite
Diamond is attached to 4 different carbon atoms by single covalent bond and show $s p^{3}$ hybridisation.It has very high M.P & more energy is req. to break the bonds.In vacuum diamonds converted to graphite.

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When diamond is heated to 1500, in the absence of air, it forms:

The correct option is A graphiteDiamond is attached to 4 different carbon atoms by single covalent bond and show sp3 hybridisation.It has very high M.P & more energy is req. to break the bonds.In vacuum diamonds converted to graphite.

When diamond is heated to $1500$ , in the absence of air, it forms:

The correct option is A graphite
Diamond is attached to 4 different carbon atoms by single covalent bond and show $s p^{3}$ hybridisation.It has very high M.P & more energy is req. to break the bonds.In vacuum diamonds converted to graphite.