MCQ
- A(A), (C) and (D) Only
- B(D) and (E) Only
- ✓(C), (D) and (E) Only
- D(A), (B) and (C) Only

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Reason : There is delocalisation of electrons from filled $d$ orbitals into the empty orbitals on the $CO$ ligands.
Statments $I:$ Maltose has two $\alpha$-D-glucose units linked at $C _{1}$ and $C _{4}$ and is a reducing sugar.
Statement $II:$ Maltose has two monosaccharides: $\alpha$-D-glucose and $\beta$-D-glucose linked at $C_{1}$ and $C_{6}$ and it is a non-reducing sugar.
In the light of the above statements, choose the correct answer from the options given below.
