In the preparation of red phosphorus from white phosphorus :

M n O_{2}

is used as a catalyst.

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the white phosphorus is treated in an electric furance.

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a little iodine is used as catalyst.

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the gas

P_{4}

is realeased.

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Solution

The correct option is C a little iodine is used as catalyst.
In the preparation of red phosphorus from white phosphorus $I_{2}$ is used as catalyst at $250^{0} C$ .

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Similar questions

$P_{4}$ (white phosphorus) when treated with thionyl chloride produces phosphorus __________ . On the other hand if $P_{4}$ (white phosphorus) is treated with sulphuryl chloride we get phosphorus __________ .

$P_{4}$ (white phosphorus) when treated with thionyl chloride produces phosphorus ___. On the other hand if $P_{4}$ (white phosphorus) is treated with sulphuryl chloride we get phosphorus ___.

Q. When white phosphorous is heated, it is converted into red phosphorus. If you add a little iodine, the conversion is faster. Here, iodine acts as a/ an:

Q. Assertion :Statement

-

1 : White phosphorus is less stable where as red phosphorus is more stable. Reason: Statement

-

2 : White phosphorus exist as individual

P_{4}

having more strained geometery while red phosphorus has

P_{4}

tetrahedron structure linked together.

Q. Like white phosphorus, which phosphorus also exists as

P_{4}

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In the preparation of red phosphorus from white phosphorus :

The correct option is C a little iodine is used as catalyst.In the preparation of red phosphorus from white phosphorus I2 is used as catalyst at 2500C.

The correct option is C a little iodine is used as catalyst.
In the preparation of red phosphorus from white phosphorus $I_{2}$ is used as catalyst at $250^{0} C$ .