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Rusting

is commonly k...

Question

is commonly known as rust.

A

Iron oxide

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B

Copper oxide

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C

Silver oxide

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Solution

The correct option is A Iron oxide
Iron on exposure to air reacts with oxygen and moisture to form a reddish-brown compound called hydrated iron oxide. This is commonly known as rust.

$4 F e + 3 O_{2} + x H_{2} O \to 2 F e_{2} O_{3} . x H_{2} O$

The above reaction is a slow reaction and is also known as rusting or corrosion of iron.

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Q. Iron when reacts with moist air forms a reddish brown layer of iron oxide which is known as rust.

Q. Iron when exposed to moist air forms a reddish brown layer of iron oxide, which is known as rust.

Q. Rust is hydrated iron (III) oxide,

{F e}_{2} O_{3} . x H_{2} O

. (reddish brown powder). How is it obtained?

Q. A hydrated oxide generally termed as rust is:

Q. Assertion :Corrosion of iron is commonly known as rusting. Reason: Corrosion of iron occurs in presence of water and air.

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