Question

The weight of copper (atomic weight = 63.5 u) displaced as Cu2+ ions by a quantity of electricity which displaces 11200 ml of H2 at STP will be 39.43 g 28.28 g 31.75 g 42.31 g

Answer 1

Answer:

63.5 g

31.5 g

15.875 g

127 g

Answer :

B

Solution :

According to faraday's second law

WCuECu=WO2EO2⇒Ww=31.75g

Explanation:

Answer 2

Answer:

DONT GIVE AIATS IN THIS MANNER NEET TO AKELE HI DENA HAI

Explanation: YOU WILL SUFFER A LOT IN FUTURE IF U CONTINUE THIS CHEATING