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Silicates

What is the F...

Question

What is the Formula of the following silicate anion :

A

S i O_{4}^{4 -}

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B

S i_{2} O_{7}^{6 -}

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C

S i_{2} O_{8}^{6 -}

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D

S i_{3} O_{9}^{6 -}

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Solution

The correct option is B $S i_{2} O_{7}^{6 -}$
Here two $S i O_{4}^{- 4}$ attached at one oxygen center so formula of this one is $S i_{2} O_{7}^{6 -}$ .

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Similar questions

Q. Assertion :In

S i_{2} O_{7}^{6 -}

one oxygen atom is shared between two units if

S i O_{4}

S i_{2} O_{7}^{6 -}

(S i O_{4})

units joined by sharing as oxygen atom

Q. The silicate anion in the mineral kinoite is a chain of three

S i O_{4}^{- 4}

tetrahedral, that share corners with adjacent tetrahedral. The charge of the silicate anion is:

Q. Match the following

	Column I		Column II
A	$B i^{3 +} \to [B i (O H)_{2}]^{+}$	p	Heating
B	$[A l O_{2}]^{-} \to A l (O H)_{3}$	q	Hydrolysis
C	$S i O_{4}^{4 -} \to S i_{2} O_{7}^{6 -}$	r	Acidification
D	$(B_{4} O_{7}^{2 -}) \to [B (O H)_{3}]$	s	Dilution by water

O

- atoms are shared per

S i O_{4}

tetrahedral in silicate anion of beryl mineral?

Q. Sheet-like silicates are formed by sharing of 3 oxygen atoms of each

S i O_{4}

tetrahedra. The general formula of the anion in sheet structure is___________.

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