Chemistry MCQs

Page No. 67

The strength of solution of an element whose electrode potential is to be measured is________________?


a2 M

✖


b1 N

✖


c1 m

✖


d1 M

✓


View Answer 1 M

Capacity of one lead accumulator cell is___________________?


a1.5 volts

✖


b2 volts

✓


c3 volts

✖


d1 volts

✖


View Answer 2 volts

Lead accumulators are_______________?


asecondary cell

✖


bprimary cell

✖


cvoltaic cell

✖


dBoth A and C

✓


View Answer Both A and C

Greater value of standard reduction potential smaller will be tendency______________?


ato form positive ions

✓


bto form negative ions

✖


cgain electrons

✖


dAll are possible

✖


View Answer to form positive ions

In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?


agreater

✓


blesser

✖


csum of reduction and oxidation potentials

✖


dnone

✖


View Answer greater

List of elements based on hydrogen scale is called________________?


aperiodic table

✖


bgroups

✖


cperiods

✖


delectrochemical series

✓



Chemical used in salt bridge is________________?


aKOH

✖


bKCl

✓


cKNO3

✖


dKBr

✖


View Answer KCl

H2 gas in SHE is filled at pressure of___________________?


a760mm of Hg

✓


b750mm of Hg

✖


c780mm of Hg

✖


d800mm of Hg

✖


View Answer 760mm of Hg

Voltaic cell can be recharged by______________?


aby addition of fresh solution

✖


bby replacing external circuit with external source of electricity

✓


cby removal of solution

✖


dby heating it

✖



Zn(s)/Zn+2(aq) 1M | | Cu+2(aq) 1M/Cu(s) is representation of reaction in______________?


aDaniel cell

✖


bDowns cell

✖


cVoltaic cell

✓


dNelsons cell

✖


View Answer Voltaic cell

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