Write equations, using [H] or a reducing agent such as lithium aluminium hydride or sodium borohydride, for reducing carboxylic acids to aldehydes and then primary alcohols, and ketones to secondary alcohols.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Compound X is a flavour compound that occurs in many plants. Its structure is shown below. (i) State the IUPAC name of compound X. (ii) State the name of the functional group represented by the C=O bond itself in compound X. (iii) Predict the size of the H–C=O…
Reduction of which compound gives pentan-2-ol? A. Pentan-2-one B. Pentan-3-one C. Pentanal D. Pentanoic acid
Which compound is formed when pentan-2-one, CH3COCH2CH2CH3, is reduced? A. CH3CH2CH2CH2CH2OH B. CH3CH2CH2CH2COOH C. CH3CH2CH2CH2CHO D. CH3CH(OH)CH2CH2CH3
Which compound gives an optically active product when it is reduced? A. Pentanal B. Pentan-3-one C. 3-Methylbutanal D. Pentan-2-one
(i) Methanal can be reduced. State the name of the organic product formed. (ii) Methanal can also be oxidized to methanoic acid, HCOOH, which is a weak Brønsted–Lowry acid. State the meaning of the term weak Brønsted–Lowry acid.
What is the main organic product of the reduction of butanone with LiAlH4 in dry ether? A. Butanoic acid B. Butan-1-ol C. Butan-2-ol D. Butanal
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