B: nitrogen
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For the element sulfur, which pair of ionisation energies has the largest difference between them?
Which ion has both more electrons than protons and more protons than neutrons? [H = ¹H; D = ²H; O = ¹⁶O]
Which species contains the smallest number of electrons?
Use of the Data Booklet is relevant to this question. A sample of propyl ethanoate is hydrolysed by heating under ref…
When 1-bromopropane is treated in succession with two reagents, X and Y, it produces propanoic acid. What are reagent…
Oct-1-ene, CH3(CH2)5CH=CH2, is subjected to thermal cracking. Which combination of compounds W, X, Y and Z can be obt…