For the reaction, C2H6(g) + O2(g) ---> + which of the following best fits in one of the blanks? A) H; B) H2; C) C; D) CO2

D) CO2

This is a combustion reaction, which always has CO2 and H2O as its products.

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na

The answer is b because a,c,and d are opinons