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What is the EMF of a galvanic cell if the standard reduction potential of the reduction half-reaction is -0.38 volts and the standard reduction potential of the oxidation half-reaction is 0.52 volts?
নীচের তিনটি গ্যালভানিক সেলের emf এর মান যথাক্রমে E1,E2,E3 Zn|Zn2+ (1m) || Cu2+ (0.1M)|Cu Zn|Zn2+ (1m) || Cu2+ (1M)|Cu Zn|Zn2+ (1m) || Cu2+ (0.1M)|Cu2+(1M)Cu তাহলে নিচের কোনটি সঠিক?
Pt,12H2gH+aq ∥ Cu2+aq/Cus,E°Cu2+aq/Cus=+0.34V কোষটির জন্য ইএমএফ এর মান কোনটি?
What is the EMF of a galvanic cell if the standard oxidation potential of the oxidation half-reaction is 0.64 volts and the standard reduction potential of the reduction half-reaction is 0.48 volts?
Zns + Cu2+(aq) →Zn2+(aq) + Cu(s) এ বিক্রিয়াটিতে বিজারক রুপে কাজ করে
Zns∥Zn2+aq∥Cu2+aq। Cusকোষটির ক্যাথোডে সংঘটিত বিক্রিয়া কোনটি ?
A company recruits candidates satisfying the following criteria -  1. Candidates who secured at least 85% in standard 10th or equivalent. 2. Candidates who secured at least 65% in standard 12th or equivalent. 3. Candidates who are not from commerce background. Who among the following candidates will the company definitely select? A. Jitesh is a science student having scored 70% in standard 12th and 80% in 10th with an excellent sports background. B. Jignesh scored 80% in standard 12th, 90% in standard 10th and secured 2nd place in his college among all commerce students. C. Jayesh scored 75% in standard 10th, 75% in standard 12th and is an arts student. D. Jinesh secured 80% in standard 12th, 88% in standard 10th and is a science student with great acting skills
What is the standard reduction potential of the cathode of a galvanic cell if the standard EMF of the cell and the standard reduction potential of the anode are 2.71 and -2.37 respectively?
Zn(s)⇄Zn2+ + 2e এবং Cu(s)⇄Cu2+ + 2e বিক্রিয়া দুটির প্রমাণ জারণ তড়িৎ দ্বারা বিভব যথাক্রমে +0.76–0.337V. Zn+Cu2+⇄Zn2++Cu কোষের মোট বিভব কত?
উদ্দীপকের কোষটির জন্য—i. E0cell=E0zn/zn2++E0Cu/Cu2+ii. E0cell=E0zn/zn2+-E0Cu2+/Cuiii. E0cell=E0Cu2+/Cu-E0zn2+/znনিচের কোনটি সঠিক ?