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  • Assertion: Diamond is the known natural substance to be hardest. Reason: It has a 3D network of strong covalent bonds between carbon

Assertion: Diamond is the known natural substance to be hardest.

Reason: It has a 3D network of strong covalent bonds between carbon atoms.

 

Option: 1

Both assertion and reason are true, and the reason is the correct explanation of the assertion.


Option: 2

Both assertion and reason are true, but the reason is not the correct explanation of the assertion.


Option: 3

The assertion is true, but the reason is false.

 


Option: 4

 The assertion is false, but the reason is true.


Answers (1)

best_answer

The assertion is true that diamond is the known natural substance to be hardest. This is because the diamond has a 3D network of strong covalent bonds between carbon atoms, which makes it extremely difficult to scratch or break. The reason provided for the assertion is also true, and it is the correct explanation for why diamond is the hardest substance known. The covalent bonds in diamonds are very strong, which makes it very difficult for the atoms to move relative to one another. Hence option 1 is the correct answer.

Posted by

Divya Prakash Singh

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