The hardness of diamond is due to its :

giant polymer structure

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high refractive index

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hexagonal layer lattice structure

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high electronegativity of carbon

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Solution

The correct option is A giant polymer structure
The giant polymeric structure is formed by many strong C-C single bonds and hence makes diamond very hard.

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Similar questions

Q. Consider the following statements:
I: In diamond, each carbon atom is linked tetrahedrally to four other carbon atoms by

s p^{3}

bonds.
II: Graphite has planar hexagonal layers of carbon atoms held together by weak van der Waal's forces.
III: Silicon exists only in diamond structure due to its tendency to form

p π - p π

bonds to itself.

In this:

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.

Refractive index of diamond is 2.42 and that of carbon disulphide is 1.63. Calculate refractive index of diamond with respect to carbon disulphide.

The refractive index of diamond is 2.42 and that of carbon disulphide is 1.63. Calculate the refractive index of diamond with respect to carbon disulphide.

Q. Assertion :Diamond is used for cutting glass. Reason: Diamond has a high refractive index.

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The hardness of diamond is due to its :

The correct option is A giant polymer structure The giant polymeric structure is formed by many strong C-C single bonds and hence makes diamond very hard.

The correct option is A giant polymer structure
The giant polymeric structure is formed by many strong C-C single bonds and hence makes diamond very hard.