1
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the SI unit of resistivity?

A

$\Omega \mathrm{m}$

B

$\Omega \mathrm{m}^{-1}$

C

$\Omega^{-1} \mathrm{~m}^{-1}$

D

$\Omega \mathrm{m}^{-2}$

2
MHT CET 2025 26th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is reduction potential of hydrogen gas electrode when pure hydrogen gas is at I atmospheric pressure and platinum electrode is in contact with HCl solution of pH 1 at 298 K ?

A

-0.1184 V

B

-0.0592 V

C

-0.0296 V

D

-0.592 V

3
MHT CET 2025 26th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

What happens to the emf for the cell, ${ }^{-} \mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(1 \mathrm{M})}^{+2} \| \mathrm{Ag}^{+1}(1 \mathrm{M})\right| \mathrm{Ag}_{(\mathrm{s})}^{+}$if concentration of $\mathrm{Ag}^{+1}$ decreases to 0.1 M ?

A

increase by 0.0592 V

B

decrease by 0.0592 V

C

increase by 0.0296 V

D

decrease by 0.0296 V

4
MHT CET 2025 26th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following net cell reaction takes place in a galvanic cell containing copper electrode and standard hydrogen electrode?

$$ \mathrm{E}^{o}\left(\mathrm{Cu}_{(\mathrm{aq})}^{+2} \mid \mathrm{Cu}_{(\mathrm{s})}\right)=+0.34 \mathrm{~V} $$

A

$\mathrm{Cu}_{(\mathrm{s})}+2 \mathrm{H}_{(\mathrm{aq})}^{+} \longrightarrow \mathrm{Cu}_{(\mathrm{aq})}^{+2}+\mathrm{H}_{2(\mathrm{~g})}$

B

$\mathrm{H}_{2(\mathrm{~g})}+\mathrm{Cu}_{(\mathrm{aq})}^{+2} \longrightarrow 2 \mathrm{H}_{(\mathrm{aq})}^{+}+\mathrm{Cu}_{(\mathrm{s})}$

C

$\mathrm{Cu}_{(\mathrm{s})}+\mathrm{H}_{2(\mathrm{~g})} \longrightarrow \mathrm{Cu}_{(\mathrm{aq})}^{+2}+2 \mathrm{H}_{(\mathrm{aq})}^{+}$

D

$\quad \mathrm{Cu}_{(\mathrm{aq})}^{+2}+2 \mathrm{H}_{(\mathrm{aq})}^{+} \longrightarrow \mathrm{Cu}_{(\mathrm{s})}+\mathrm{H}_{2(\mathrm{~g})}$

MHT CET Subjects
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