Hydrolysis of SiCl4 gives compound X and HCl- On heating to 1000- C- X loses water and forms Y- Identify X and Y respectively-

The correct option is B H_4SiO_4 and SiO_2 H_4SiO_4 SiO_2 + H_2O On hydrolysis, all the bonds of SiCl_4 are broken after which #160; ...

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Byju's Answer

Standard XII

Chemistry

Silica

Hydrolysis of...

Question

Hydrolysis of $S i C l_{4}$ gives compound $X$ and $H C l$ . On heating to $1000^{\circ}$ $C$ . $X$ loses water and forms $Y$ . Identify $X$ and $Y$ respectively.

S i O_{2}

and

S i

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H_{4} S i O_{4}

and

S i O_{2}

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S i O_{2}

and

S i C

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H_{4} S i O_{4}

and

S i

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Solution

The correct option is B $H_{4} S i O_{4}$ and $S i O_{2}$
$H_{4} S i O_{4} 1000^{o} C - --- \to S i O_{2} + H_{2} O$
On hydrolysis, all the bonds of $S i C l_{4}$ are broken after which $H^{+}$ forms bonds with $C l^{-}$ and $O H^{-}$ forms bonds with $S i^{4 +}$ , thus forming $H_{4} S i O_{4}$ and $H C l$ .
On deep heating, $H_{4} S i O_{4}$ loses two water molecules to form $S i O_{2}$

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Similar questions

S i C l_{4}

on hydrolysis gives

X

and

H C l

. Compound

X

loses water at

1000^{0} C

and gives

Y

. Compound

X

and

Y

are respectively:

Q. Silica reacts with a hydride of superhalogen to form 'X'. On hydrolysis of 'X', another compound 'Y' is formed. 'Y' on heating at

1000^{\circ} C

losses water to form 'Z'.
'Z' can also be prepared by the reaction

Q. Values of heats of formation for

{S i O}_{2}

and

M g O

are

- 48.4

and

- 34.7 K J

respectively. The heat of the reaction

2 M g + {S i O}_{2} \to 2 M g O + S i

is:

Q. Compele the following reactions:
(i)

S i O_{2} + 2 N a O H \to X + H_{2} O

(ii)

S i O_{2} + 4 H F \to Y + 2 H_{2} O

(iii)

S i + 2 C H_{3} C l C u p o w d e r - ------ \to 570 K Z

Q. Assertion :

M g O

is reduced by

S i

whereas

S i O_{2}

can be reduced by

M g

Reason:

S i

reduces

M g O

at high temperature

M g

is more electropositive than

S i

and thus reduces

S i O_{2}

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Hydrolysis of SiCl4 gives compound X and HCl. On heating to 1000∘ C. X loses water and forms Y. Identify X and Y respectively.

The correct option is B H4SiO4 and SiO2H4SiO41000 oC−−−−→SiO2+H2OOn hydrolysis, all the bonds of SiCl4 are broken after which H+ forms bonds with Cl− and OH− forms bonds with Si4+, thus forming H4SiO4 and HCl.On deep heating, H4SiO4 loses two water molecules to form SiO2

Hydrolysis of $S i C l_{4}$ gives compound $X$ and $H C l$ . On heating to $1000^{\circ}$ $C$ . $X$ loses water and forms $Y$ . Identify $X$ and $Y$ respectively.