Electrochemistry questions
1808 published questions with worked solutions.
- What will happen when a block of copper metal is dropped into a beaker containing a solution of 1 M ZnSO _4?
- Oxidation of succinate ion produces ethylene and carbon dioxide gases. On passing 0.2 Faraday electricity through an aqueous...
- Consider the following standard electrode potentials (E^ in volts) in aqueous solution: Al — M^ 3+ / M = -1.66, M^ + / M = +0.55;...
- What is the standard reduction potential (E^ ) for Fe^ 3+ Fe ? Given that Fe^ 2+ + 2e^- Fe ; E^ _ Fe^ 2+ /Fe = -0.47 V and Fe^ 3+...
- The electrochemical equivalent of a metal is 'x' g coulomb^ -1 . The equivalent weight of metal is [EAMCET 2004]
- Which is expected to conduct electricity?
- Solid NaCl is a bad conductor of electricity because:
- The solid NaCl is a bad conductor of electricity because
- What is the relation between E^ and K? **[Guj CET 2006]**
- The temperature coefficient of e.m.f. of a cell can be given by
- The ionisation of strong electrolytes in acetic acid, compared to in water, is [J & K CET 2007]
- An electrolyte:
- How many of the following are strong electrolytes? a. NH₃ b. NH₄Cl c. CH₃COOH d. CH₃COONa e. HCl f. NaCl
- According to Debye-Hückel theory of strong electrolytes, increase in conductivity on dilution is due to:
- At infinite dilution, the percentage ionisation for both strong and weak electrolytes is:
- Strong electrolytes are those which:
- In a solution of a weak electrolyte at infinite dilution we have:
- Gaseous hydrogen chloride is a very poor conductor of electricity but a solution of hydrogen chloride in water is a good...
- How many of the following are strong electrolytes? AgNO_3, CH_3COONa, H_2CO_3, Ca(OH)_2, HI, HCOOH, HNO_2
- How many of the following are weak electrolytes? HCOOH, KOH, HI, NaCl, HCN, NH_4OH, NH_4Cl, H_2O
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