JEE Main & Advanced
Chemistry
Electrochemistry / विद्युत् रसायन
Question Bank
Faraday's law of electrolysis
question_answer
The number of electrons required to deposit 1gm atom of aluminium (at. wt. = 27) from a solution of aluminium chloride will be (where N is Avogadro's number) [AIIMS 1992]
A) 1 N
B) 2 N
C) 3 N
D) 4 N
Correct Answer:
C
Solution :
1 g atom of Al = 3 equivalent of \[Al=3\] faraday charge 3 mole electrons = 3 N electron.