Home/ Questions/Q 438214
Next
In Process
Amolika Binoya Mohan
Asked: 2022-11-03T08:46:43+05:30 In:

Which out of the following reactions does not take place ?
A. `4Al + 3O_(2) rarr 2Al_(2)O_(3)`
B. `2Al+Fe_(2)O_(3) rarr Al_(2)O_(3) + 2Fe`
C. `Al_(2)O_(3)+2Cr rarr Cr_(2)O_(3)+2Al`
D. `8Al+3Mn_(3)O_(4) rarr 4Al_(2)O_(3)+9Mn`

Which out of the following reactions does not take place ?
A. `4Al + 3O_(2) rarr 2Al_(2)O_(3)`
B. `2Al+Fe_(2)O_(3) rarr Al_(2)O_(3) + 2Fe`
C. `Al_(2)O_(3)+2Cr rarr Cr_(2)O_(3)+2Al`
D. `8Al+3Mn_(3)O_(4) rarr 4Al_(2)O_(3)+9Mn`
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – C
    Al has higher affinity for oxygen than chromium, hene Cr cannot displace `Al` from its oxides.

    • 0