With the stereochemistry of the starting matting shown identify the stereochemis

Question

With the stereochemistry of the starting matting shown identify the stereochemistry of 2-butanol in the following reaction sequence. A (S)-2-butanol B (R)-2-butanol C racemic-2-butanol D meso-2-butanol Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A)(CH_3)_4C B) (CH_3)_3N C) (CM_3)_2O D) CH_3F Which compound below fits the following proton NMR data? triplet delta 1-22 (3H) singlet delta 1.98 (3H) quartet delta 4.07 (2H) Which of the compounds below fit the following C-13 NMR? A. para-dichlorobenzene B. meta-dichlorobenzene C. ortho-dichlorobenzene D. chlorobenzene Identify the C_4H_5CI isomer given the following proton NMR data: doublet delta 1.04 (6H) multiple t delta 1.95(1H) doublet delta 3.35 (2H) A) (CH_3)_3CCI B) CH_3CH_2VH_2CI C) CH_3CH_2CHCH_3 D) (CH_3)_2CHCH_2CI

Explanation / Answer

Ans 24 ,. B (R) - 2 butanol

The ester formation is a reversible reaction, such that the hydrolysis of ester produces its corresponding carboxylic acid and alcohol.

The base hydrolysis of ester is the reaction that converts the enantiomer of alcohol into its mirror image such that the S ester forms a R alcohol as the product.

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