AP EAMCET Medical 2016 Paper

Pick the reactions from the following where a water molecule is removed and reduction of NAD+ does not occur in the reactions of respiration
(I) Succinic acid → Fumaricacid
(II) Malic acid → Oxaloacetic acid
(III) 2 phosphoglycerate → Phasphoenol pyruvic acid
(IV) Pyruvic acid → Acetyl Co -A