Explain hydrogens at chiral centers and at aldehyde carbons

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S)-2-butanol reacts with potassium dichromate (K2CrO4) in aqueous sulfuric acid to give A(C4H8O). Treatment of A with ethylmagnesium bromide in anhydrous ether gives B(C6H14O).
Draw the structure of B.

Include stereochemistry using the single up & single down drawing tools, and draw only the hydrogens at chiral centers and at aldehyde carbons.

Reference no: EM13505375

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