96. Which of the following is most reactive towards nucleophilic substitution by SN1 mechanism? (1) -CI (2) Cl (3) CI (4) -CH2-CI 97. The presence of unsaturation in organic compounds can be tested with: (1) Schiff's reagent (2) Tollen's reagent (3) Fehling's reagent (4) Baeyer's reagent 98. Which of the following is incorrect? (1) 03 HO/Zn KMnO4 (2) CH3-C=CH2 CH3 4> CH3-C-CH3 + CO,+H,O 0 (3) CH3-C-CH-CH3 HO/Zn CH3 CH3-C-O+CH3COOH | CH3 (4) Both (1) & (2) 99. In the given reaction: OH OH I CH3-CH-C-CH3- CH3 (A) and (B) respectively be: HIO (A) + (B) (1) CH3CHO and CH3CHO (2) CH3COCH3 and CH3CHO (3) CH3COCH, and CH3COCH (4) CH3COOH and CH3COCH3 100. Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating? (1) (2) OH (3) (4) OH