Question

Difference between Daniel and Leclanché cells

Answer 1

Explanation :

Daniel cells:

It is a primary cell. It consists of a zinc rod and a copper vessel (in fig 1). It can be seen that a zinc rod is put in dilute sulfuric acid which is contained in a porous pot.  

Daniel cell works on the principle of the redox reaction. The electrons pass form zinc rod to wire. Then it passes to the copper rod. Thus, a current is produced.  

It produces an EMF of 1 volt.  

Leclanche cell :

Leclanche cell is also known as dry cells (fig 2). It contains an electrolyte of ammonium chloride. Carbon acts as a cathode while zinc is an anode.

It produces an EMF of 1.4 volts.

Answer 2

Answer:

Explanation:

A Leclanche cell consists of a carbon electrode packed in a porous pot containing manganese dioxide and charcoal powder (Fig 2.22). The porous pot is immersed in a saturated solution of ammonium chloride (electrolyte)