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2. Electrochemistry — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry2. Electrochemistry1 Mark
MCQ
Saturated solution of $KNO_3$ is used to make salt bridge because
  • A
    Mobility of ${{K}^{\oplus }}$ is greater than that of $NO_3^{\Theta }$
  • B
    Mobility of $NO_{3}^{\Theta }$ is greater than that of ${K^ \oplus }$
  • ✓
    Mobilities of ${K^ \oplus }$ and $NO_3^\Theta $ are almost the same
  • D
    $KNO_3$ is highly soluble in water
✓

Answer

Correct option: C.
Mobilities of ${K^ \oplus }$ and $NO_3^\Theta $ are almost the same
c

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