Question
Download Solution PDFविद्युत अपघटन के दौरान कैथोड इलेक्ट्रोड द्वारा कौन सा गुण प्रदर्शित होता है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसही उत्तर न्यूनीकरण होता है।
संकल्पना:
- विद्युत अपघटन
- यौगिक में दिष्ट विद्युत धारा का गुजरना।
- यह उनके तत्वों में आयनिक यौगिकों को अपघटित करता है।
व्याख्या:
- कैथोड पर:
- कैथोड पर न्यूनीकरण होता है।
- यह एक धनात्मक टर्मिनल के रूप में कार्य करता है।
- एनोड पर:
- एनोड पर ऑक्सीकरण होता है।
- यह एक ऋणात्मक टर्मिनल के रूप में कार्य करता है।
- विद्युत अपधटन का उदाहरण:
- कैथोड पर:
- Cu2+ + 2e- → Cu(s) [E0 = 0.34V]
- H+(aq) + e- → 1/2 H2(g) [E0 = 0.00V]
- यह एक न्यूनीकरण अभिक्रिया है।
- एनोड:
- Cl- → 1/2 Cl2(g) + e-1 [E0 = +1.36V]
- 2H2O → O2 + 4H+(aq) + e-1 [E0 = +1.23V]
- यह एक ऑक्सीकरण अभिक्रिया है।
- कैथोड पर:
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