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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Chemistry (CY)
Please tell me why option c is not correct because c6h5coooh is also a per acid and form trans diol
Question 8 Show Passage R RI HO OH HO H Reagent, R and R2 are- a (A) cold alkaline KMn04, OsO4/H202 b (B) cold alkaline KMnOs HCOgH c (C)cold alkaline KMnO4s CoHsCOgH d (D) CgHscoH, HCOH
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Dinesh khalmaniya 1
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option B The reagent R1 is cold alkaline KMnO4. It is used for the dihydroxylation of C=C double bond. Two hydroxyl groups are added on the same side of C=C double bond. The reagent R2 is per formic acid HCOOOH. It is used for the dihydroxylation of C=C double bond. Two hydroxyl groups are added on the opposite sides of C=C double bond.
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KmNO4, OsO4 and C6H5CO3H gives syn addition and will give cis diol
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Suman Kumar
OsO4 form cis diol
please tell me why option c is not correct because c6h5coooh is also a per acid and form trans diol