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ChemistryEasyMCQ2023 ยท 13 Apr Shift 2

Q44.The covalency and oxidation state respectively of boron in BF4 -, are (1) 3 and 5 (2) 3 and 4 (3) 4 and 4 (4) 4 and 3

What This Question Tests

This question tests the ability to correctly determine the oxidation state and covalency of an element in a given polyatomic ion.

Concepts Tested

Oxidation state calculationCovalencyCoordinate bondingLewis structure

๐Ÿ“š NCERT Sections This Tests

5.23 โ€” Give The Oxidation State, D Orbital Occupation And Coordination Number Of

Chemistry Class 11 ยท Chapter 5

80% match

5.23 Give the oxidation state, d orbital occupation and coordination number of the central metal ion in the following complexes: (i) K3[Co(C2O4)3] (iii) (NH4)2[CoF4] (ii) cis-[CrCl2(en)2]Cl (iv) [Mn(H2O)6]SO4

5.15 โ€” Discuss The Nature Of Bonding In The Following Coordination Entities On The

Chemistry Class 11 ยท Chapter 5

80% match

5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4โ€“ (ii) [FeF6] 3โ€“ (iii) [Co(C2O4)3]3โ€“ (iv) [CoF6] 3โ€“

4.13 โ€” How Is The Variability In Oxidation States Of Transition Metals Different From

Chemistry Class 11 ยท Chapter 4

77% match

4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.