# Electrochemistry · Chemistry · MHT CET

Start Practice## MCQ (Single Correct Answer)

MHT CET 2023 14th May Evening Shift

A conductivity cell containing $$0.001 \mathrm{~M} \mathrm{~AgNO}_3$$ solution develops resistance $$6530 \mathrm{ohm}$$ at $$25^{\circ} \mathrm{C}$$....

MHT CET 2023 14th May Evening Shift

Calculate $$\mathrm{E}_{\text {cell }}^0$$ for $$\mathrm{Cd}_{(\mathrm{s})}\left|\mathrm{Cd}_{(\mathrm{1M})}^{++}\right|\left|\mathrm{Ag}_{(\mathrm{1M...

MHT CET 2023 14th May Morning Shift

Which from following expressions is used to find the cell potential of $$\mathrm{Cd}_{(\mathrm{s})}\left|\mathrm{Cd}_{(\mathrm{aq})}^{++}\right|\left|...

MHT CET 2023 14th May Morning Shift

Which from following is NOT true about voltaic cell?

MHT CET 2023 14th May Morning Shift

Calculate molar conductivity of $$\mathrm{NH}_4 \mathrm{OH}$$ at infinite dilution if molar conductivities of $$\mathrm{Ba}(\mathrm{OH})_2$$
$$\math...

MHT CET 2023 13th May Evening Shift

Which from the following expression represents molar conductivity of an electrolyte $$\mathrm{A}_2 B_3$$ type?

MHT CET 2023 13th May Evening Shift

What is the molar conductivity of $$0.005 \mathrm{~M} \mathrm{~NaI}$$ solution if it's conductivity is
$$6.065 \times 10^{-4} \Omega^{-1} \mathrm{~cm...

MHT CET 2023 13th May Evening Shift

Calculate $$E^{\circ}$$ cell for following.
$$\mathrm{Zn}(s)\left|\mathrm{Zn}^{++}(1 \mathrm{M}) \| \mathrm{Pb}^{++}(1 \mathrm{M})\right| \mathrm{Pb}(...

MHT CET 2023 13th May Morning Shift

Calculate $$\mathrm{E}_{\text {cell }}^0$$ if the equilibrium constant for following reaction is $$1.2 \times 10^6$$.
$$2 \mathrm{Cu}_{(\mathrm{aq})}^...

MHT CET 2023 13th May Morning Shift

Identify the overall oxidation reaction that occurs in lead storage cell during discharge.

MHT CET 2023 13th May Morning Shift

Calculate the time required in second to deposit $$6.35 \mathrm{~g}$$ copper from its salt solution by passing 5 ampere current.
[Molar mass of $$\mat...

MHT CET 2023 12th May Evening Shift

Which of the following expressions represents molar conductivity of $$\mathrm{AB}_3$$ type electrolyte?

MHT CET 2023 12th May Evening Shift

Calculate the $$\mathrm{E}_{\text {cell }}$$ for $$\mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(0.1 \mathrm{M})}^{++}\right|\left|\mathrm{Cr}_{(0.1 \...

MHT CET 2023 12th May Evening Shift

A conductivity cell containing $$5 \times 10^{-4} \mathrm{~M} \mathrm{~NaCl}$$ solution develops resistance $$14000 \mathrm{~ohms}$$ at $$25^{\circ} \...

MHT CET 2023 12th May Morning Shift

Calculate $$\Delta \mathrm{G}^{\circ}$$ for the reaction $$\mathrm{Mg}_{(\mathrm{s})}+\mathrm{Sn}_{(\mathrm{aq})}^{++} \longrightarrow \mathrm{Mg}_{(\...

MHT CET 2023 12th May Morning Shift

Electrolytic cells containing $$\mathrm{Zn}$$ and $$\mathrm{Al}$$ salt solutions are connected in series. If $$6.5 \mathrm{~g}$$ of $$\mathrm{Zn}$$ is...

MHT CET 2023 12th May Morning Shift

Which from following is strongest reducing agent?

MHT CET 2023 11th May Evening Shift

Which from following sentences is NOT correct?

MHT CET 2023 11th May Evening Shift

Calculate the $$\mathrm{E}_{\text {cell }}^{\circ}$$ for $$\mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(\mathrm{IM})}^{++}\right|\left|\mathrm{Cd}_{(...

MHT CET 2023 11th May Morning Shift

Find the number of faradays of electricity required to produce $$45 \mathrm{~g}$$ of $$\mathrm{Al}$$ from molten $$\mathrm{Al}_2 \mathrm{O}_3$$.
(At. ...

MHT CET 2023 11th May Morning Shift

The molar conductivity of $$0.02 \mathrm{~M} \mathrm{~AgI}$$ at $$298 \mathrm{~K}$$ is $$142.3 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$. What i...

MHT CET 2023 11th May Morning Shift

Which among the following is CORRECT formula for determination of cell constant?

MHT CET 2023 10th May Evening Shift

What happens when solution of an electrolyte is diluted?

MHT CET 2023 10th May Evening Shift

Calculate $$E_{\text {cell }}^{\circ}$$ in which following reaction occurs. $$\mathrm{Mg}_{(\mathrm{s})}+2 \mathrm{Ag}_{(\mathrm{IM})}^{+} \rightarrow...

MHT CET 2023 10th May Evening Shift

Calculate the conductivity of $$0.02 \mathrm{~M}$$ electrolyte solution if its molar conductivity $$407.2 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1...

MHT CET 2023 10th May Morning Shift

Conductivity of a solution is $$1.26 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}$$ Calculate molar conductivity for $$0.01 \mathrm{~M}$$ solution....

MHT CET 2023 10th May Morning Shift

Which of the following is NOT a difficulty in setting SHE?

MHT CET 2023 10th May Morning Shift

What mass of $$\mathrm{Mg}$$ is produced during electrolysis of molten $$\mathrm{MgCl}_2$$ by passing $$2 \mathrm{~amp}$$ current for 482.5 second?
(M...

MHT CET 2023 9th May Evening Shift

What is the conductivity of $$0.05 ~\mathrm{M} ~\mathrm{BaCl}_2$$ solution if its molar conductivity is $$220 ~\Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol...

MHT CET 2023 9th May Evening Shift

A reaction, $$\mathrm{Ni}_{(\mathrm{s})}+\mathrm{Cu}_{(\mathrm{(M)})}^{+} \rightarrow \mathrm{Ni}_{(\mathrm{IM})}^{+}+\mathrm{Cu}_{(\mathrm{s})}$$ occ...

MHT CET 2023 9th May Morning Shift

Calculate $$\Delta \mathrm{G}^{\circ}$$ for the cell:
$$\mathrm{Sn}_{(\mathrm{s})}\left|\mathrm{Sn}_{(\mathrm{1M})}^{2+}\right|\left|\mathrm{Ag}_{(\ma...

MHT CET 2023 9th May Morning Shift

Calculate current in ampere required to deposit $$4.8 \mathrm{~g} ~\mathrm{Cu}$$ from it's salt solution in 30 minutes. [Molar mass of $$\mathrm{Cu}=6...

MHT CET 2023 9th May Morning Shift

Identify the gas produced due to reduction of $$\mathrm{NH}_4^{+}$$ ions at cathode during working of dry cell.

MHT CET 2022 11th August Evening Shift

How long will it take to produce $$5.4 \mathrm{~g}$$ of $$\mathrm{Ag}$$ from molten $$\mathrm{AgCl}$$ by passing $$5 \mathrm{~amp}$$ current?
(Molar m...

MHT CET 2022 11th August Evening Shift

Which of the following is NOT an example of secondary voltaic cell?

MHT CET 2022 11th August Evening Shift

Calculate $$\wedge_0$$ of $$\mathrm{CH}_2 \mathrm{ClCOOH}$$ if $$\wedge_0$$ for $$\mathrm{HCl}, \mathrm{KCl}$$ and $$\mathrm{CH}_2 \mathrm{ClCOOK}$$ a...

MHT CET 2021 24th September Evening Shift

The electrical conductance of unit volume (1 cm$$^3$$) of solution is called as

MHT CET 2021 24th September Evening Shift

What is the conductivity of 0.02 M HCl solution if molar conductivity of the solution at 25$$^\circ$$C is 412.3 $$\Omega^{-1}$$ cm$$^{-1}$$ mol$$^{-1}...

MHT CET 2021 24th September Evening Shift

What is the charge required for the reduction of moles of Cu$$^{2+}$$ to Cu?

MHT CET 2021 24th September Morning Shift

The resistance of $$0.2 \mathrm{M}$$ solution of an electrolyte is 30 ohm and conductivity is $$1.2 \mathrm{~S} \mathrm{~m}^{-1}$$. What is the value ...

MHT CET 2021 24th September Morning Shift

Which from the following is the correct relationship between standard Gibbs energy change and standard cell potential?

MHT CET 2021 24th September Morning Shift

The conductivity of $$0.04 \mathrm{~M} \mathrm{~BaCl}_2$$ solution is $$0.0112 \Omega^{-1} \mathrm{~cm}^{-1}$$ at $$25^{\circ} \mathrm{C}$$. What is i...

MHT CET 2021 23rd September Evening Shift

The conductivity of $$0.012 \mathrm{~M} \mathrm{~NaBr}$$ solution is $$2.67 \times 10^{-4} \mathrm{~S} \mathrm{~cm}^{-1}$$. What is it's molar conduct...

MHT CET 2021 23rd September Evening Shift

During the electrolysis of fused $$\mathrm{NaCl}$$, the product obtained at anode is

MHT CET 2021 23rd September Evening Shift

What is the weight of $$\mathrm{Al}$$ deposited at cathode when 1 ampere current is passed through molten $$\mathrm{AlCl}_3$$ for 9650 seconds? (At ma...

MHT CET 2021 23th September Morning Shift

How many electrons flow through the wire if a current of 1.5 ampere flow through it for 3 hours?

MHT CET 2021 23th September Morning Shift

The conductivity of $$0.3 \mathrm{M}$$ solution of $$\mathrm{KCl}$$ at $$298 \mathrm{~K}$$ is $$0.0627 \mathrm{~S} \mathrm{~cm}^{-1}$$. What is it's m...

MHT CET 2021 23th September Morning Shift

In the cell represented as $$\mathrm{Ni}_{(\mathrm{s})}\left|\mathrm{Ni}_{(\mathrm{IM})}^{2 \oplus}\right|\left|\mathrm{Ag}_{(\mathrm{IM})}^{\oplus}\r...

MHT CET 2021 22th September Evening Shift

How many Faraday of electricity is required to deposit $$0.8 \mathrm{~g}$$ of calcium at cathode by the electrolysis of $$\mathrm{CaCl}_2$$ ?
(Molar m...

MHT CET 2021 22th September Evening Shift

What is the conductivity of $$0.02 \mathrm{~M} \mathrm{~KCl}$$ solution if cell constant is $$1.29 \mathrm{~cm}^{-1}$$ with resistance 645 $$\Omega$$ ...

MHT CET 2021 22th September Evening Shift

Electrical conductance due to all the ions in $$1 \mathrm{~cm}^3$$ of given solution is called as

MHT CET 2021 22th September Morning Shift

What is the resistance of $$0.01 ~\mathrm{M} ~\mathrm{KCl}$$ solution if its conductivity is $$200 ~\mathrm{ohm}^{-1} \mathrm{cn}^{-1}$$ and cell cons...

MHT CET 2021 22th September Morning Shift

Molar conductivity of 0.04 M BaCl$$_2$$ solution is 230 $$\Omega^{-1}$$ cm$$^2$$ mol$$^{-1}$$ at 27$$^\circ$$C. What is it's conductivity?

MHT CET 2021 22th September Morning Shift

Which from following electrolytes, molar conductivity is determined using Kohlrausch theory?

MHT CET 2021 21th September Evening Shift

Which among the following statements is true for Galvanic cell?

MHT CET 2021 21th September Evening Shift

What will be the concentration of solution of electrolyte if it's molar conductivity and conductivity are respectively 230 $$\Omega^{-1}$$ cm$$^2$$ mo...

MHT CET 2021 21th September Evening Shift

What is the number of moles of electrons passed when current of 5 ampere is passed through a solution of FeCl$$_3$$ for 20 minutes?

MHT CET 2021 21th September Morning Shift

Which among the following statements is true for conductivity?

MHT CET 2021 21th September Morning Shift

The molar conductivity of $$0.4 \mathrm{~M} \mathrm{~KCl}$$ solution is $$2.5 \times 10^5 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$. What is the...

MHT CET 2021 21th September Morning Shift

What is the number of electrons passed through an electrolyte solution when 1 ampere current is passed for 16.1 minutes?

MHT CET 2021 20th September Evening Shift

Which among the following aqueous salt solution is used in conductivity cell to determine cell constant?

MHT CET 2021 20th September Evening Shift

What is the molar conductivity of $$0.05 \mathrm{M}$$ solution of sodium hydroxide, if it's conductivity is $$0.0118 \mathrm{~S} \mathrm{~cm}^{-1}$$ a...

MHT CET 2021 20th September Evening Shift

How many faraday of electricity is required to produce 10 g of calcium metal (molar mass = 40 g mol$$^{-1}$$) from calcium ions?

MHT CET 2021 20th September Morning Shift

The molar conductivity of 0.1 M BaCl$$_2$$ solution is 106 $$\Omega^{-1}$$ cm$$^2$$ mol$$^{-1}$$ at 25$$^\circ$$C. What is it's conductivity?

MHT CET 2021 20th September Morning Shift

Which from following is NOT correct regarding electrolysis?

MHT CET 2021 20th September Morning Shift

A conductivity cell shows resistance of 600 ohm. If conductivity of 0.01 M KCl is 0.0015 $$\Omega^{-1}$$ cm$$^{-1}$$, what is cell constant?

MHT CET 2020 16th October Morning Shift

How many electrons are involved in the reaction, when $$0.40 \mathrm{~F}$$ of electricity is passed through an electrolytic solution?

MHT CET 2020 16th October Morning Shift

What will be the concentration of $$\mathrm{NaCl}$$ solution, if the molar conductivity and conductivity of $$\mathrm{NaCl}$$ solution is $$124.3 \Ome...