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Potassium Dichromate

Lime water be...

Question

Lime water becomes turbid on passing $C O_{2}$ though it, but
becomes clear when more $C O_{2}$ is passed
If this is true enter 1, if false enter 0.
1

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Solution

The correct option is A 1
The statement is true.

Insoluble $C a C O_{3}$ is first precipitated which dissolves in excess of $C O_{2}$ due to the formation of $C a (H C O_{3})_{2}$ .

$C a (O H)_{2} + C O_{2} ⟶ C a C O_{3} + H_{2} O$

$C a C O_{3} + H_{2} O ⟶ C O_{2} + C a (H C O_{3})_{2}$

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Similar questions

Q. Lime water becomes turbid on passing

N O_{2}

through it.
If this is true enter 1, if false enter 0.

Q. Assertion: Lime water becomes turbid on passing

C O_{2}

but becomes clear on passing more

C O_{2}

Reason : Lime water is calcium hydroxide,

C a (O H)_{2}

Q. Assertion :Baryta water becomes turbid on passing

C O_{2}

gas through it but turbidity becomes clear on passing more

C O_{2}

gas. Reason: Carbonates give white precipitate with silver nitrate solution. The precipitate becomes yellow or brown if the mixture is boiled.

C O_{2}

is passed into lime water, white turbidity appears which dissolves in excess of

C O_{2}

."
Answer whether the above statement is true or false.

Q. If true enter 1, if false enter 0.

C O_{2}

is absorbed by alkalies.

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