Reduction potential of four elements P,Q,R,S is -2.90, +0.34, +1.20 and -0.76. Reactivity decreases in the order

Options :
  1. P>Q>R>S
  2. Q>P>R>S
  3. R>Q>S>P
  4. P>S>Q>R
Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Which one of the following metals could not be obtained on electrolysis of aqueous solution of its s...

Next Question : Which one of the following metals cannot evolve hydrogen from acids or water or from its compounds

Click here for online test on Electrochemistry


 (Getemail alerts when others member replies)

Luck is what happens when preparation meets opportunity.