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(A): Even though diamond is covalent, it...

(A): Even though diamond is covalent, it has a high melting point
(R) : Diamond is a three dimensional gaint molecule. The `C-C` in it are very strong. 

A

Both A and R are true. R is the correct explanation for A.

B

Both A and R are true. Ris not the correct explanation for A.

C

A is true, R is false.

D

A is false and R is true

Text Solution

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The correct Answer is:
A
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  17. In hydrofluorosilicic acid the covalency of Si is

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  18. Regarding silica I) Quartz is amorphous form of silica II) Silica ...

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