Answer:Cr2O72– → 2Cr3+2Cr6+ + 6e– → 2Cr3+
In given equation there are 6 electrons are required so that n = 6
Use the f
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(Get CBSE Board Textbook Solutions for all subjects from Class 9 to 12. You can also get the CBSE Board's previous year's solved papers from here! You can get online resources for Book Store, Test Series, Prepare Assignment and Previous Year Solved Papers for free! This is an organization related to the education sector. That's why you should not waste your precious time and join Zigya, where many other study materials related to edu
Here, a = k – 12, b = 2 (k – 12), c = 2∴ D = b2 – 4ac = [2(k– 12)]2– 4(k – 12) x 2= 4 (k – 12)2 – 8 (k– 12)Roots are equal, if D = 0⇒ 4
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(Get CBSE Board Textbook Solutions for all subjects from Class 9 to 12. You can also get the CBSE Board's previous year's solved papers from here! You can get online resources for Book Store, Test Series, Prepare Assignment and Previous Year Solved Papers for free! This is an organization related to the education sector. That's why you should not waste your precious time and join Zigya, where many other study