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Q.

Correct statements among the following areA) HCl is used as acidic medium in permanganometric titrations.B) Na2Cr2O7 is more soluble in water than K2Cr2O7.C) ‘Zn’ is a transition element.D) ‘W’ has the highest melting point among transition elements.

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a

B and C only

b

B and D only

c

A and C only

d

A and D only

answer is B.

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Detailed Solution

A) Potassium permanganate oxidizes HCl to Cl2 ….HCl cannot be used as a medium in permanganometry;C) Zinc is a d-block element but not a transition element
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