Q4.
The oxidation state of A, B and C in a compound are +2, +5 and - 2, respectively. The compound is
(A) A2(BC)2 , (B) A2(BC)3, (C) A3 (BC4)2 , (D) A2(BC4)3
(please note the numbers mentioned in the options are lower cased)
(the answer given to this question is option (C), but can someone pls explain how!?)
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Answer:C option
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creepster201:
thank u so much... but if didnt tell u that it was option c... then what would be the method to find its ans?
are we supposed to try those nos in each and every option?
thank you
✌️
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