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Which of the following reaction is not i...

Which of the following reaction is not involved in themite process

A

`3Mn_(3)O_(4) +8Al rarr 9Mn + 4Al_(2)O_(3)`

B

`Cr_(2)O_(3) +2Al rarr Al_(2)O_(3) + 2Cr`

C

`2Fe +Al_(2)O_(3) rarr 2Al + Fe_(2)O_(3)`

D

`B_(2)O_(3) +2Al rarr 2B +Al_(2) O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
In themite welding
`Fe_(2)O_(3)(s) +2AI(s) overset(Delta)underset(Mg)rarr Fe(l) +AI_(2)O_(3) (l)`
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