MHT CET 2024 Chemistry question

Not in JEE Main or NEET syllabus

What type of solid is the silica ?

(A)Ionic
(B)CovalentCorrect
(C)Molecular
(D)Metallic

Answer: (B)

Solution

Silica (, quartz) is a covalent (network) solid: each Si atom is covalently bonded to four O atoms and each O to two Si atoms in a giant three-dimensional network, with no discrete molecules. This gives it a very high melting point

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Question ID VK-099846