Untitled Formative cloned 7/10/2021

Last updated almost 5 years ago

20 questions

1

The electrical energy released from an electrochemical cell can do useful work.

True

False

In an electrochemical cell, in the inner circuit current is carried by ions and in the external circuit, current of electrons flows through the metal conductors.

True

False

In electrochemical cell Oxidation occurs at Cu electrode

True

False

electrochemical Daniell cell Current flows from zinc electrode to copper electrode

True

False

In electrochemical series metals below hydrogen are strong reducing agents

True

False

A scalar quantity is the one that does not vary from one point to another in space

True

False

in electrochemical cell Electrons flow from anode to cathode

True

False

emf of cell = oxidation potential of anode + reduction potential of cathode

True

False

If 96500 coulomb electricity is passed through CuSO4 solution, it will liberate 96500 gm of Cu

True

False

Fused NaCl on electrolysis gives Sodium on cathode.

True

False

Is Lead storage battery is secondary cell

True

False

Faraday’s law of electrolysis is related to Speed of anion

True

False

in electrolytic cells the electrical energy is used to carry out a spontaneous reaction

True

False

In electrolytic cell cathode acts as oxidising agent?

True

False

The unit of equivalent conductivity is ohm cm ?

True

False

mercury cell has a constant cell potencial throughout its useful life

True

False

the conductivity of strong elctrolyte increases on dilution slightly.

True

False

Galvanised iron sheets are coated with carbon

True

False

The highest electrical conductivity in aqueous solutions is 0.1 M chloro acetic acid

True

False

If the conductivity and conductance of a solution is same then it cell constant is equal to 0

True

False

The electrical energy released from an electrochemical cell can do useful work.

True

False

In an electrochemical cell, in the inner circuit current is carried by ions and in the external circuit, current of electrons flows through the metal conductors.

True

False

In electrochemical cell Oxidation occurs at Cu electrode

True

False

electrochemical Daniell cell Current flows from zinc electrode to copper electrode

True

False

In electrochemical series metals below hydrogen are strong reducing agents

True

False

A scalar quantity is the one that does not vary from one point to another in space

True

False

in electrochemical cell Electrons flow from anode to cathode

True

False

emf of cell = oxidation potential of anode + reduction potential of cathode

True

False

If 96500 coulomb electricity is passed through CuSO4 solution, it will liberate 96500 gm of Cu

True

False

Fused NaCl on electrolysis gives Sodium on cathode.

True

False

Is Lead storage battery is secondary cell

True

False

Faraday’s law of electrolysis is related to Speed of anion

True

False

in electrolytic cells the electrical energy is used  to carry out a spontaneous reaction 

True

False

In electrolytic cell cathode acts as oxidising agent?

True

False

The unit  of equivalent conductivity is ohm cm ?

True

False

mercury cell has a constant cell potencial throughout its   useful life 

True

False

the conductivity of strong elctrolyte  increases on dilution slightly.

True

False

Galvanised iron sheets are coated with carbon

True

False

The highest electrical conductivity in aqueous solutions is 0.1 M chloro acetic acid

True

False

If the conductivity and conductance of a solution is same then it cell constant is equal to 0

True

False