Standard electrode potential of An and Fe are known to be (i) -0.76V and (ii) -0.44V respectively. How does it explain that galvanization prevents rusting of iron while zinc slowly dissolves awayA. Since (i) is less than (ii), zinc becomes the cathode and iron the anodeB. Since (i) is less than (ii), zinc becomes the anode and iron the cathodeC. Since (i) is more than (ii), zinc becomes the anode and iron the cathodeD. Since (i) is more than (ii), zinc becomes the cathode and iron the anode

Standard electrode potential of An and Fe are known to be (i) -0.76V a

1.	Standard electrode potential of An and Fe are known to be (i) -0.76V and (ii) -0.44V respectively. How does it explain that galvanization prevents rusting of iron while zinc slowly dissolves awayA. Since (i) is less than (ii), zinc becomes the cathode and iron the anodeB. Since (i) is less than (ii), zinc becomes the anode and iron the cathodeC. Since (i) is more than (ii), zinc becomes the anode and iron the cathodeD. Since (i) is more than (ii), zinc becomes the cathode and iron the anode
Answer» Correct Answer - B

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What are elementary reactions ?

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