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Answer to Question #31475 in Inorganic Chemistry for samriddhi

Question #31475
r coloured metal (A) is added to dilute sulphuric acid, solution (B) is formed which is colourless solution and a gas (c) is evolved which is colourless name ‘A’, ‘B’ and ‘C’ and write the equation?
Expert's answer
There are three colored metals - gold, copper and caesium. Only caesium reacts with diluted sulfuric acid, according to following equation:
2Cs + H2SO4 = Cs2SO4 + H2
The solution of Caesium Sulfate is formed.

Hence,
A is Caesium (Cs)
B is solution of Caesium Sulfate (Cs2SO4)
C is Hydrogen (H2)

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