Q.1 Hydrogenation of unsaturated oils is done by using:
A) Finally divided nickel C) Vanadium pentaoxide
B) Finally divided iron D) Copper
Q.2 Pick the correct statement:
A) Chelates are usually more stable than ordinary C) Monodentate ligands form the chelates
complexes
B) Ordinary complexes are more stable than chelates D) Chelates have no ring structures
A) Finally divided nickel C) Vanadium pentaoxide
B) Finally divided iron D) Copper
Q.2 Pick the correct statement:
A) Chelates are usually more stable than ordinary C) Monodentate ligands form the chelates
complexes
B) Ordinary complexes are more stable than chelates D) Chelates have no ring structures
Q.3 Oxidation state of ‘Mn’ in KMnO4, K2MnO4, MnO2 and MnSO4 is in the order:
A) +7, +6, +2, +4 C) +7, +6, +4, +2
B) +6, +7, +2, +4 D) +4, +6, +7, +2
Q.4 Which pair of transition elements shows abnormal electronic configuration?
A) Sc and Zn C) Zn and Cu
B) Cu and Sc D) Cu and Cr
A) +7, +6, +2, +4 C) +7, +6, +4, +2
B) +6, +7, +2, +4 D) +4, +6, +7, +2
Q.4 Which pair of transition elements shows abnormal electronic configuration?
A) Sc and Zn C) Zn and Cu
B) Cu and Sc D) Cu and Cr
Q.5 Which one pair has the same oxidation state of ‘Fe’?
A) FeSO4 and FeCl3 C) FeSO4 and FeCl2
A) FeSO4 and FeCl3 C) FeSO4 and FeCl2
B) FeCl2 and FeCl3 D) Fe2(SO4)3 and FeSO4