I am suffering from covid 19 and at night my oxygen level was 84
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Ohh
Hope get well soon
Explanation:
Hydroxylation of a double bond by alk. KMnO4 (or OSO4) is predominantly cis and proceeds via a cyclic intermediate (ester) which on hydrolysis gives the cis diol. Hence for e.g. maleic acid gives mesotartaric acid and fumaric acid (molecule is flat) gives (+ ) tartaric acid (pair of enantiomers).
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