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Mdcat-past-papers Quiz

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3821. Which of the following is NOT a correct feature of electrolytic cells?



3822. Electrolysis of dilute acid solution gives:



3823. In Castner-Kellner cell:



3824. A strong electrolyte is one that:



3825. During electrolysis of concentrated aqueous solution of NaCl, which ion is NOT discharged at cathode?



3826. Which of the following cell reactions correctly represent the electrolysis of water?



3827. The breakdown of a substance with current is:



3828. Reduction occurs at:



3829. Coinage metals Cu, Ag and Au are the least reactive because they have:



3830. The standard electrode potential of hydrogen is arbitrarily taken at 298 K is:



3831. The potential difference of an electrochemical cell is measured by:



3832. In electrochemical series, what is the electrode potential of all metals above hydrogen?



3833. Which statement correctly describes the standard electrode potential?



3834. A cathode has reduction potential:



3835. Super batteries with high charge density are also called:



3836. The electrode potential of the standard hydrogen electrode is chosen as:



3837. Lower members in electrochemical series cause:



3838. Element with highest reduction potential is:



3839. Reduction of copper is due to electrode potential of:



3840. Zn rod acts as cathode when coupled with magnesium electrode. This is because the reduction potential of: