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Silicates

The general f...

Question

The general formula of orthosilicates or nesosilicates is:

A

M_{4} (S i O_{4})

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B

M_{4} (S i O_{3})

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C

M_{2} (S i O_{2})

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D

None of the above

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Solution

The correct option is A $M_{4} (S i O_{4})$
Orthosilicates contain discrete $[S i O_{4}]^{4 -}$ units with valency 4. Nesosilicates (or orthosilicates) have $S i O_{4}$ tetrahedra that are isolated and connected by interstitial cations.

So, option A is the correct answer.

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Similar questions

Q. Nesosilicates are_______.

Q. An example for nesosilicate is:

C_{n} H_{2 n + 2}

is the general formula of a homologous series of hydrocarbons.
i) Is this series saturated or unsaturated?
ii) Name the series described above. Give the formula and name of the member with two carbon atoms.
iii) Draw the structural formula of the first member of this series.
iv) Define the homologous series and find the common difference between the successive members of this family.
v) Write the formula of n-butane and n-pentane.

Q. The shape of orthosilicate ion

(S i O_{4}^{4 -})

Q. One way of defining or identifying carbohydrates is to say that they can be described by the general formula,

C_{m} (H_{2} O)_{n}

, where m and n may or may not be the same integer.
Of the four structures displayed in the figure above, which one does NOT fit this definition of a carbohydrate?

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