d and f block elements

Section: Chemistry

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Question : 19 of 24

Marks: +1, -0

The pair(s) of reagents that yield paramagnetic species is/are

[JEE Adv 2014 P1]

Na and excess of NH3
K and excess of O2
Cu and dilute HNO3
O2 and 2- ethylanthraquinol

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