Brown ppt. (A) dissolve in HNO3 gives (B) which gives white ppt. (C) with NH4OH. (C) on reaction with HCl gives solution (D) which gives white turbidity on addition of water. What is (D) ?
A
BiCl3
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B
Bi(OH)3
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C
BiOCl
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D
Bi(NO3)3
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Solution
The correct option is ABiCl3 Bi2S3+8HNO3hot−−→2Bi(NO3)3+3S↓+2NO+4H2O (dil.) Bi(NO3)2+3NH4OH→Bi(OH)3↓+3NH4NO3 (C) Bi(OH)3↓+3HCl→BiCl3+3H2O (D) BiCl3+H2O⇌BiOCl+2HCl (D) white turbidity