Identify the correct statements among the followingI) Both Cr and Cu s – InterviewSolution

1.	Identify the correct statements among the followingI) Both Cr and Cu show +1 oxidation stateII) The complementary colour of absorbed green colour of visible radiation is purple.III) Ni^(+2) ion in its hydrated state exhibits green colourIV) Brass is an alloy of copper
Answer» All I, II, III only I, IV only I, III only Answer :A

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