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Chemistry
Dipping iron article into a strongly alkaline solution of sodium phosphate
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Q. Dipping iron article into a strongly alkaline solution of sodium phosphate
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A
does not affect the article
B
forms $Fe_2O_3. xH_2O$ on the surface
C
forms iron phosphate film
D
forms ferric hydroxide
Solution:
In electrochemical series, iron is placed below sodium, so it cannot displace sodium from its salt solution. Hence, no reaction takes place
$Fe + Na_3PO_4 \to $ No reaction