Question

What is Electrochemical cells ?

Explain 1)Electrolytic cell

2)Galvanic cell

Answer 1

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⭕electrochemical cells:--

1)⏩⏩⏩ ❇Electrolytic cell :

⏩current form from external source bring about non spontaneous Redox reaction to occur


⏩electrolysis occur in same electrolytic solution


⏩ no Salt Bridge is required


⏩ Cathode is negative and anode is positive electrode


2)Galvanic Cell

⏩ some spontaneous Redox reaction occur to produce electric current


⏩ electrolysis occur in different electrolytic solution


⏩ Salt Bridge is essential to maintain electroneutrality so that electrolysis can continue


⏩Cathode is positive and anode is negative electrode



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Answer 2

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❄❄An electrochemical cell is a device capable of either generating electrical energy from chemical reactions or using electrical energy to cause chemical reactions.

❄❄An electrolytic cell is an electrochemical cell that drives a non-spontaneous redox reaction through the application of electrical energy. They are often used to decompose chemical compounds, in a process called electrolysis—the Greek word lysis means to break up.

❄❄A galvanic cell or voltaic cell, named after Luigi Galvani or Alessandro Volta, respectively, is an electrochemical cell that derives electrical energy from spontaneous redox reactions taking place within the cell. 

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