Show and justify the variable electrovalency of tin and copper

1.	Show and justify the variable electrovalency of tin and copper
Answer» You need to enable JavaScript to run this app. The elements which change their valency or show more than one electrovalency are said to possess variable electrovalency. This is DUE to following two reasons. Now due to increase of effective nuclear CHARGE FE3+ does not lose more electron.

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You need to enable JavaScript to run this app. The elements which change their valency or show more than one electrovalency are said to possess variable electrovalency. This is DUE to following two reasons. Now due to increase of effective nuclear CHARGE FE3+ does not lose more electron.

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Show and justify the variable electrovalency of tin and copper

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