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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