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- Draw the predicted major products of the following reactions. Ph OHC., (PhP);RhCI PHCN, A H,CCH, Grubbs I, CH,OCl, Rh(CO),CI CO R-0 B(OH)2 Pd(OAc)2 K3PO4 Pd(OAc)2 K3PO4102. The major products A and B in the following reaction sequence are CHO Br Br (i) PPh3 (ii) NaH (A) NaH OH (B)14C labelled OTS RCO H 16. →product; Product of this reaction is : no label ОCOR OCOR (a) (b) (c) both (a) and (b) (d) None of these
- owing reactions proceeds via an SN1 or SN2 of the reaction: (b) S2 pro85 39 Br tort atubong auonsV HMPAnoitutitaduaWhich of the following would be the major product of this reaction? Br t ㅅ H 1 OIV O ||| O II Hint Save for Later Kot-Bu II ||| t IVHBr AIBN, light Br Br OH OH U There is no reaction under these conditions or the correct product is not listed here.
- Explain why ethene does not react with HX ( X=Cl , Br or I) under normal conditions.Phenols (ArOH) are relatively acidic, and the presence of a substituent group on the aromatic ring has a large effect. The pKa of unsubstituted phenol, for example, is 9.89, while that of p-nitrophenol is 7.15. Draw resonance structures of the corresponding phenoxide anions and explain the data.4. Predict the product obtained from following oxidation reaction (a) он Naoa CH,COOH
