Consider the following equation for an electrochemical cell reaction. Which of the following changes in condition will increase the cell voltage ? `H_(2)(g)+PbCl_(2)(s)toPb(s)+2HCl(aq)` (I) addition of concentrated `HClO_(4)` in the cell solution `(II),"Increase the pressure of "H_(2)(g),(III)"increase the amount of " Pb(s))`
A
III
B
I and II
C
II and III
D
II
Text Solution
Verified by Experts
The correct Answer is:
D
Topper's Solved these Questions
ELECTROCHEMISTRY
NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|1 Videos
ELECTROCHEMISTRY
NARENDRA AWASTHI|Exercise Level 1 (Q.91 To Q.120)|1 Videos
DILUTE SOLUTION
NARENDRA AWASTHI|Exercise Level 3 - Match The Column|1 Videos
Which of the following will increase the voltage of the cell Sn(s)+2Ag^(+)(aq)rarrSn^(2+)(aq)+2Ag(s)
Which of the following equations are exothermic or endothermic? H_2(g) +Cl_2(g) rarr 2HCL (g)+ 185kJ
The E^(@) at 25^(@) C for the following reaction is 0.22 V. Calculate the equilibrium constant at 25^(@) C : H_(2)(g)+2AgCl(s)to2Ag(s)+2HCl(aq)
Write the Nernst equation for the cell reaction in the Daniel cell. How will the E_(cell) be affected when concentration of Zn^(2+) ion is increased?
Which of the following solids is not an electrical conductor? Mg(s) TiO(s) I_2 (s) H_2O(s)
Consider the reaction: H_2S+I_2 rarr 2Hl+S Name the substance reduced
Which of the indicated relationship is correct for the following exothermic reaction carried out at constant pressure? CO(g) +3H_(2)(g ) rarrCH_(4)(g)+H_(2)O(g)
Write each half cell reaction of the following electrochemical cell: Cu(s)|Cu^(2+)(1M)||Ag^(+)(1M)|Ag(s)
Write each half cell reaction of the following electrochemical cell: Al(s)|Al^(3+)(1M)||Zn^(2+)(1M)|Zn(s)
How would you account for the following : The acidic strength of compounds increases in the order : PH_3< H_2S
