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Reducing agent

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Reducing agent

Post  TF2 on Fri Feb 06, 2009 7:16 pm

Hi i got a really important question regarding reducing agent

Gold does not react with nitric acid or hydrochloric acid but with a combination of both called aqua regia. Identify the reducing agent in the following equation:
Au(s) + 4H+ + NO3 + 4Cl ---> [AuCl4] + 2H2O + NO(g)
a) NO3
B)Au
C)H+
D)Cl-
E) The reaction is not a redox reaction

Thx

TF2

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