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The d-And-f-Block Elements
i)When the aqueous solution of potassium dichromate is treated with calculated amount of KOH, potassium chromate is formed.
K2Cr7O7 + 2KOH → 2K2CrO4 + H2O
ii) When an alkali is added to an orange red solution containing dichromate ions, a yellow solution is obtained due to the formation of chromate ions.
K2Cr2O7 + K2CO3 → 2 K2CrO4 + CO2
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The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?
Name the first element of 3rd transition series.
Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?
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