Electrochemistry Test UHS MDCAT Preparation

Which is the oxidation state of oxygen atom in sodium superoxide?

Oxidation number of carbon in NaHCO₃ is:

Which is the correct statement about the following reaction? F2e+ 3CI₂ ____> 2FeCI₃

Electrochemical series is a list of elements arranged into the increasing order of their:

Choose the cell among the following list in which conversion of electrical energy into chemical energy takes place:

Reduction always occurs

An electrochemical cell in which a spontaneous oxidation reduction reaction generates electric current is called:

Stronger the oxidizing agent, greater is the

The elctrochemical series is the arrangement of the electrodes in:

The galvanic or voltaic cells which cannot be recharged is called:

Metals usually conduct electricity because:

Which is the oxidation number of nitrogen in the molecule N₂?

Which of the following statements is correct about Glvanic cell?

A cell in which chemical energy is converted into electrical energy is called:

The process of electrical coating of one metal on another to protect, decirate or to have a greater resistance to corrosion is called:

If the salt bridge is not used between two half cells, then the voltage

When electric current is used to carry out non-spontaneous redox reaction, the process is called

The cathodic reaction in the electrolysis of dil. H₂SO₄ with Pt electrodes is:

The electrode through which the electrons enter the electrolytic solution is called:

What is the oxidation number of chromium in ionic compound Na₂Cr₂O₇?

When a metal is dipped in 1 molar of its solution at 298k, then potential set up is called:

If a strip of Cu metal is placed in a solution of FeSO₄, then:

What will be th3e density of H₂SO₄ when lead accumulator is recharged?

In electrolysis, the chemical reaction occurs at the expense of:

By means of fuel cells, chemical energy may be converted into