1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following acts as oxidising agent in hydrogen-oxygen fuel cell ?

A
$\mathrm{H}_2$
B
KOH
C
$\mathrm{O}_2$
D
C
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Standard hydrogen electrode (SHE) is a

A
primary reference electrode
B
secondary reference electrode
C
metal - sparingly soluble salt electrode
D
metal - metal ion electrode
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The conductivity of an electrolytic solution decreases on dilution due to

A
decrease in number of ions per unit volume
B
increase in ionic mobility of ions
C
increase in percentage ionisation
D
increase in number of ions per unit volume
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two electrolytic cells are connected in series containing $\mathrm{CuSO}_4$ solution and molten $\mathrm{AlCl}_3$. If in electrolysis 0.4 moles of 'Cu' are deposited on cathode of first cell. The number of moles of 'Al' deposited on cathode of the second cell is

A
0.6 moles
B
0.27 moles
C
0.18 moles
D
0.4 moles
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