Question

I have an exam tomorrow so I need explaintion please

aj methylenecyclohexane cciOTrexene 11 17. Arrange the following in this order: moderate nucleophile, polar protic solvent, polar aprotic solvent, non-polar I. CH CO2H solvent. 1I. CH CO2K II. OS(CHs)z e) l, III, IV, II be) IlII, , IV, II IV.C&HSCHs a) 1, II, III, IV b) IV, III, I, 1 d) IV, II, III c)l, II, II, IV ab) II, IV, II,I aclI, I, II, IV bd) IV, II, , I abd) , IV, II, II cd) II, IV, I, Ill ae) IV, II, ,II bc) II, 1, 11, IV abc) 1I, III, IV, I ce) 11,II, I, IV de) IV, I, II, II abe) IlI, II, IV, I acd) 1, IV, II, II Page 5

Answer 1

17. Polarity : A fixed dipole moment between covalently bonded atoms. ft S. X-Y Postie solvent ay A solvent, which forms H-bond a Hydrogen bond 0 CH₂H y & St Polar Pontic. Solvent - CH₂ wolt is polor and protic solvent also g=0 e h e -H-02 I-os H

Moderate nucleophete. It is a moderale nucleophile, because the nucleophilicity of this this nuebophile is reduced due to resonance with the o group. é @ PG Len Theo cha to- m oss CH3 CH3 Polar aprotic solvent - Dimethylsul phoxide (Omso) is a polar but apostic solvent because it cant form Hydrogen bond.. . CHere Hydbogen 's not a bonded with an high electronegative atom so H bonding 6 not possible) It (H5-CH3 . Non-polar solvent has no dipole moment, so it is compolor solvent 1. so sorder & II, I, O, I 6002. CCH = at ll - a state since both c-o bond in same direction, so, overall. dipole moment is yo , so it is polar. E-CYCH=CHA +)=0 Since both c-o dipole direction is in opposite dircetion, novovall dipobe moment so. So it is now polor o sa Qe-Fuck KLIS Back bondin 2p-2p. overlaßing).

for this consec -o do bonds dipole is in same direction. so over all gpole exist but it is less than the first- mobecule, since. di pole moment reduces due to fc back bonding (partial) of ap. 2p orbitals. 5858 overnale / dipole moment seduces. But for a cha Chel, dis- 3p-rp bonding of an el-c bond which has size miss match. it hors highest dipole moment. Sooder will be ind i ny i Liziv ② I. Cits-Ct3 » Non polar. Bo cho an >ch Ta ez ! so, it is NGP Candidate (Neigh bowing group participation) NIGE W a t C CH 2 Toler aprotic solvent I CZ CH ₂ Nkz at Moderate Nucleophile.. It has lone pair in nibogen, so it can act as a nuebo prile - order it, I ,I , I