Zadanie 28
Which compound is formed when CH3CH2CH(CH3)C≡CH reacts with excess H2(g) over a nickel catalyst? A. 3-methylpentane B. 2-methylpentane C. 2,3-dimethylbutane D. hexane
Hydrogenation of alkenes and alkynes
Deduce the products of adding hydrogen to alkenes and alkynes with a nickel catalyst, recognise this as a reduction that lowers the degree of unsaturation, and write balanced equations including the alkene stage for alkynes.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2022–2026.
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Zadanie 30
Pent-2-ene undergoes a range of addition reactions. Which reagent and product are correctly matched? A. Reagent H2, product pent-1-ene B. Reagent Br2, product 2,3-dibromopentane C. Reagent H2O, product pentan-1-ol D. Reagent HBr,…
Zadanie 22
Which combination best describes what is happening to propene, CH3CH=CH2, in the equation below? CH3CH=CH2(g) + H2(g) → CH3CH2CH3(g) A. Oxidation and addition B. Oxidation and substitution C. Reduction and addition D. Reduction and substitution