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Select the correct statement with respec...

Select the correct statement with respect to `Ca^(2+)` ions.

A

`K_(2)CrO_(4)` gives white precipitate in the presence of acetic acid.

B

Potassium hexacyanidoferrate (II) solution gives white precipitate

C

It gives lilac colour in Bunsen flame

D

Prolonged passage of carbon dioxide gas through its aqueous solution produces white precipitate.

Text Solution

Verified by Experts

The correct Answer is:
B
(a) `K_(2)CrO_(4) overset(Ca^(2+))rarr underset(("Red ppt."))(CaCrO_(4)) overset(AcOH)rarr` Soluble
(b) `Ca^(2+) +K_(4)[Fe(CN)_(4)] rarr underset(("White ppt."))(K_(2)Ca[Fe(CN)_(6)]darr`
(c) `Ca^(2+)` imparts brick red colour to the flame.
(d) `Ca^(2+) +CO_(2)+H_(2)O underset(("Soluble"))(Ca(HCO_(3))_(2)`
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