Chemistry · Importance of coordination compounds (in qualitative analysis, extraction of metals and in biological systems)
ASSERTION: In the extraction of Ag, complex _{2}\right] \) is reacted with Zn. R
ASSERTION: In the extraction of Ag, complex \( \mathrm{Na}\left[\mathrm{Ag}(\mathrm{CN})_{2}\right] \) is reacted with Zn. REASON: Zn is a d-block transition metal.
- A. If both assertion and reason are CORRECT, and reason is the CORRECT explanation of the assertion
- B. If both assertion and reason are CORRECT, but reason is NOT the CORRECT explanation of the assertion
- C. If assertion is CORRECT but reason is INCORRECT
- D. If assertion is INCORRECT but reason is CORRECT
Step-by-step solution
The assertion is correct: in the cyanide process for silver extraction, Na[Ag(CN)2] is treated with Zn to displace Ag. The reason is incorrect because Zn, despite being a d-block element, is not classified as a transition metal due to its full d10 configuration in common oxidation states.
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