Question

Identify the reducing agent and oxidizing agent in the following reactions:

 

(a) 4NH3 + 5O2→4NO + 6H2O



(b) H2O + F2→HF + HOF



(c) Fe2O3 + 3CO →2Fe + 3CO2



(d) 2H2 + O2→2H2O

Answer 1

Answer:

The advantage of the universal indicator is that it displays a variety of colors over the whole pH scale. This makes it possible to determine an approximate pH of a solution over a range from 1-14. whereas, A commonly used acid-base indicator is litmus.