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Extraction of Copper

a grey colour...

Question

a grey coloured metal Xused for making dry cell it is also used for coating iron metal to prevent it from rusting when granles of X are added to blue solution of compound of a reddish brown metal Y the colour of the solution gets discharged and metal Y is formed identify X and Y write the chemical equation and identify the type of reaction

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Solution

$I t s g i v e n t h a t t h e m e t a l i s g r e y i n c o l o u r a n d i s u s e d i n d r y c e l l . S o i t m a y b e Z i n c . Z i n c i s c o n f i r m e d b y t h e c l u e t h a t i t p r e v e n t i r o n m e t a l f r o m r u s t i n g . T h u s t h e g r a n u l e s o f Z i n c r e a c t s w i t h c o p p e r s u l p h a t e w h i c h i s b l u e c o l o u r s o l u t i o n . A s Z i n c i s m o r e r e a c t i v e t h a n c o p p e r, i t d i s p l a c e s c o p p e r Z n + C u S O_{4} \to Z n S O_{4} + C u X Y T h u s X - Z i n c Y - C o p p e r$

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