Redox rxn ke kaun se topics karna hai before 12th?

Bas 12th ke liye kya imp hai kisi ko pata hai toh batado pura chapter mat boldena yawr one shot dekhne ka bhi samay nhi organic hi 20-23 march ko khatam ho rhi phr revise karna hai aur 29ak 12th shuru karna hai so pls batado yawr