The number of radial nodes in 3s and 2p respectively are
2 and 0
0 and 2
1 and 2
2 and 1
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The d-electron configuration of $Cr^{2+}, Mn^{2+} Fe^{2+} and Co^{2+} are d^4, d^5,d^6 and d^7$ drespectively. Which one of the following will exhibit minimum paramagnetic behaviour? (At. no. Cr = 24, Mn = 25, Fe = 26, CO = 27) |
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Which one is most reactive towards electrophilic reagent? |
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Taxonomically a species is ………. |
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