Observe the following statements.
I .Bleaching powder is used in the preparation of chloroform.
II. Bleaching powder decomposes in the presence of $C o C 1_{2}$ to liberate $O_{2}$ .
III. Aqueous $K H F_{2}$ is used in the preparation of fluorine.

I,II and III are correct

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Only II is correct.

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Only I and III are correct

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Only I and II are correct.

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Solution

The correct option is D Only I and II are correct.
Molten $K H F_{2}$ is used in the preparation of fluorine.
Rest two statements are true.

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Similar questions

Q. Observe the following statements:

I. Bleaching powder is used in the preparation of chloroform.
II. Bleaching powder decomposes in the presence of

C o C l_{2}

to liberate

O_{2}

.
III. Aqueous

K H F_{2}

is used in the preparation of fluorine.

The correct combination is:

Question 11.
Common salt besides being used in kitchen can also be used as the raw material for making
(i) washing soda
(ii) bleaching powder
(iii) baking soda
(iv) slaked lime

Choose the correct option from the following:
(a) (i) and (ii)
(b) (i), (ii) and (iv)
(c) (i) and (iii)
(d) (i), (iii) and (iv)

Question 11.
Common salt besides being used in kitchen can also be used as the raw material for making
(i) washing soda
(ii) bleaching powder
(iii) baking soda
(iv) slaked lime

Choose the correct option from the following:
(a) (i) and (ii)
(b) (i), (ii) and (iv)
(c) (i) and (iii)
(d) (i), (iii) and (iv)

Q. In the presence of the following, bleaching powder decomposes to liberate oxygen:

Q. (a) What is the chemical name of bleaching powder?
(b) What is the chemical formula of bleaching powder?
(c) What are the materials used for the preparation of bleaching powder?
(d) State one use of bleaching powder (other than bleaching).

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Observe the following statements.I .Bleaching powder is used in the preparation of chloroform.II. Bleaching powder decomposes in the presence of CoC12 to liberate O2.III. Aqueous KHF2 is used in the preparation of fluorine.

The correct option is D Only I and II are correct.Molten KHF2 is used in the preparation of fluorine.Rest two statements are true.

Observe the following statements.
I .Bleaching powder is used in the preparation of chloroform.
II. Bleaching powder decomposes in the presence of $C o C 1_{2}$ to liberate $O_{2}$ .
III. Aqueous $K H F_{2}$ is used in the preparation of fluorine.

The correct option is D Only I and II are correct.
Molten $K H F_{2}$ is used in the preparation of fluorine.
Rest two statements are true.