A feasible cell was constructed by joining the two half c...
A feasible cell was constructed by joining the two half cells below. Cu2+ (aq) + 2e- → Cu(s) Eo = - 0.76 V. What is the standard e.m.f. of the cell?
- 1.1V
- 0.42V
+0.42V
+1.1V
Correct answer is D
e.m.f. = + 0.34 -(-0.76) = 0.34 + 0.76 = +1.1V
The relative atomic mass of chlorine is not a whole number because ...
If glucose is heated with concentration tetraoxosulphate (VI) acid, it will be dehydrated to ...
Which of the following substances is a non-reducing sugar? ...
In which of the following compound (s) will heat be absorbed on adding water? l. KNO3 II. Conc...
The cleansing action of soap in hard water is not satisfactory because soap ...