MCQOPTIONS
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MCQOPTIONS
| 1. |
The electrochemical equivalent of a metal is \[3.3\times {{10}^{-7}}\,kg/coulomb\]. The mass of the metal liberated at the cathode when a 3 A current is passed for 2 seconds will be [SCRA 1998; AIEEE 2004; DCE 2005] |
| A. | \[19.8\times {{10}^{-7}}kg\] |
| B. | \[9.39\times {{10}^{-7}}kg\] |
| C. | \[6.6\times {{10}^{-7}}kg\] |
| D. | \[1.1\times {{10}^{-7}}kg\] |
| Answer» B. \[9.39\times {{10}^{-7}}kg\] | |