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What is the chemical formula of rust? A F e 3 ​ O 4 ​ B F e 2 ​ O 4 ​ C F e 2 ​ O 3 ​ D F e 3 ​ O 2 ​

What is the chemical formula of rust?

A

Fe3​O4​

B

Fe2​O4​

C

Fe2​O3​

D

Fe3​O2​

 
 

Grade:8

3 Answers

Vikas TU
14149 Points
3 years ago
Dear student 
The formula of rist is  is approximately Fe2O3•32H2O
Rust is apparently a hydrated form of iron(III)oxide.
Hope this will help 
Good Luck 
ankit singh
askIITians Faculty 614 Points
3 years ago

ANSWER

Iron metal does not burn in dry air even on strong heating. In moist air iron is slowly oxidised to give rust (iron oxide).


4Fe+3O2​→2Fe2​O3​+nH2​O→Fe2​O3​.nH2​O(Rust)
 
ajay
101 Points
3 years ago
The formula of rist is  is approximately Fe2O3•32H2O
Rust is apparently a hydrated form of iron(III)oxide.
The formula of rist is  is approximately Fe2O3•32H2O
Rust is apparently a hydrated form of iron(III)oxide.

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