Comprehension \( \quad \) : A white amorphous powder (A) on strongly heating gives a colourless ...
0Comprehension \( \quad \) : A white amorphous powder (A) on strongly heating gives a colourless non-combustible gas (B) and solid (C). The gas (B) turns lime water milky and turbidity disappears with a the passage of excess of gas. The solution of (C) in dilute \( \mathrm{HCl} \) gives a white ppt. with an aqueous solution of \( \mathrm{K}_{4} \mathrm{Fe}(\mathrm{CN})_{6} \) ]. The solution of \( (\mathrm{A}) \) in dilute \( \mathrm{HCl} \) gives a white ppt. (D) on passing \( \mathrm{H}_{2} \mathrm{~S} \) in presence of excess of \( \mathrm{NH}_{4} \mathrm{OH} \).
Identify (A):
(a) \( \mathrm{ZnCO}_{3} \)
(b) \( \mathrm{BaCl}_{3} \)
(c) \( \mathrm{BeCO}_{3} \)
(d) \( \mathrm{BaCO}_{3} \)
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