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Native silver metel froms a water solube...

Native silver metel froms a water solube, complesx with a dilute aqueous wsolution of `NaCN` in the presence of

A

Nitrogen

B

Oxygen

C

Carbon dioxide

D

Argon

Text Solution

Verified by Experts

The correct Answer is:
B
Native silver metal forms a water soluble complex with a dilute aqueous solution of `NaCN` in the presence of oxygen as follows.
`4Ag +8 NaCN + 2H_(2)O + O_(2) rarr 4Na[Ag(CN)_(2)] + 4 NaOH`.
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