AIEEE 2005 Chemistry Solved Paper

Section: Chemistry

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Question : 3 of 74

Marks: +1, -0

Of the following sets which one does NOT contain isoelectronic species?

[AIEEE 2005]

BO33−,CO32−,NO3−
SO32−,CO32−,NO3−
CN−,N2,C22−
PO43−,SO42−,ClO4−

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