SATHEE: Qualitative Analysis - Result Question 18

Qualitative Analysis - Result Question 18

####18. An aqueous solution $F e S O_{4} \cdot A l_{2} {(S O_{4})}_{3}$ and chrome alum is heated with excess of $N a_{2} O_{2}$ and filtered. The materials obtained are

(1996, 1M)

(a) a colourless filtrate and a green residue

(b) a yellow filtrate and a green residue

(d) a green filtrate and brown residue

Show Answer

Answer:

Correct Answer: 18. (c)

Solution:

Yellow filtrate contains $C r O_{5}$ and brown residue contain $F e_{2} O_{3}$ .

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Qualitative Analysis - Result Question 18

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