Which of the following is correct Fischer projection of the compound on the left

Question

Which of the following is correct Fischer projection of the compound on the left? Circle answer Solvolysis occurs when the solvent acts as the substrate the solvent dissociates the substrate the solvent acts as the nucleophile the solvent traps the counter-ion Which solvent is not a best suitable for an S_N2 reaction? acetone acetonitrile THF DMSO If a molecule is chiral, what does that mean? It has a plane of symmetry the will be necessarily dextrorotatory mirror image will be noosupenmpoisabtc None of the above. What is the stereochemistry of cis trans E Z What is the degree of unsaturation of the following molecule 3 4 5 6 7 Which reaction is following the Markovnikov's rule? Hydroboration on alkene Alkoxymercuartioo-demercuraiion hpoxidation on alkene Free radical reaction of alkene with HBr Among the compounds. 1 -hexyne. 2-hexyne, 3-hexyne and cis 2-hexene, which one would have acidic proton? 1-hexyne 2-hexyne 3-hexyne cis 2-hexcnc Which molecule below has the R configuration

Explanation / Answer

19) a

20) b

21) for Sn2 reaction we need polar aprotic solvent, so THF is least protic among others, so not the best solvent

22) C

23) C

24) e . since ring = 1 degree of unsaturation, each double bond means one degree of unsaturation and a triple bond means 2 degree of unsaturation

25) b

26) a

27) b

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