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In the following which of the two are paramagnetic: (1) N₂ (2) CO (3) B₂ (4) NO₂ correct answer is:
A
(1) & (3)
B
(2) & (3)
C
(3) & (4)
D
(2) & (4)
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Which of the following is paramagnetic:

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Increasing order of bond length in NO, NO⁺ and NO⁻ is:

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