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  4. The charge carried by 1 millimole of Mn+ ions is 193 coulombs. The value of n is

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Q. The charge carried by 1 millimole of Mn+ ions is 193 coulombs. The value of n is

WBJEEWBJEE 2019Electrochemistry

Solution:

$1000 millimole \left(=1 mole\right) of M^{n+1}Carries 193×1000 = 193000 C \left(or 2F\right) So ‘n’ must be 2$