Gold dissolve in Aqua regia to give:
Correct answer: C. AuCl3
- A. AuCl2
- B. AuCl
- C. AuCl3
- D. None
Explanation
The name aqua regia was coined because this solution can dissolve gold which is known as the king of metals. When gold dissolves in aqua regia, chloroauric acid is formed.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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