Condider the following statement
I Metallic electrodes are dipped into electrolyte
II half cell sare connected by metallic wire through voltemeter and switch
III There is no need of salt bridge if the electrodes are dip in the same electrolyte

Which of the following statement (s) is /are true for the above diagram choose the correct option

Options

A. I and II
B. II and III
C. III and I
D. I, II and III

Answer

C

Explanation

In daniell cells half cells consisst of metallic electrods dipped into electrolyte these half cells are connected by metallic wire through voltmeter and switch externally electodes dip in the same electrolye solution and do not require salt bridge