MHT CET202415 May 2024Morning ShiftChemistryElectrochemistryActual

Calculate the mass of ' Ca ' deposited at cathode by passing 0.8 ampere current through molten CaCl ₂ in 60 minutes. [Molar mass of Ca =40 ~g ~mol ⁻¹ ]

Options

A0.4 g
B0.5 g
C0.6 g
D0.7 g

Correct answer

C. 0.6 g

Step-by-step solution

aligned & Ca _ ( aq ) ²⁺+2 e ⁻ Ca _ ( s ) & Mole ratio = 1 ~mol 2 ~mol e ⁻ & W = I ( A ) t ( s ) 96500 ( C / mole ⁻ ) mole ratio M _ Ca & = 0.8 60 60 96500 1 2 40=0.6 ~g aligned

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