Question

In reaction CroO3(s) + 2Al(s) - Al2O3(s) + 2Cr(l) oxidising agent is
Cr203
AI
Alp03
Cr​

Answer 1

Cr203+ 2AI Cr203----2Cr

14-----> 2Cr+ A1203

( oxidation no. of cr +3 to +1 means hain of electron so it act as oxidizing agent)

similarly,

2AI------> Al203

( oxidation no. of Al +1 to +3 means loss of electron so it act as reducing agent)