AS & A Level Chemistry (9701) — October–November 2024, Paper 22
4 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Vanadium, niobium and tantalum are metals in the same group of the Periodic Table. The shorthand electronic configuration of vanadium in the ground state is [Ar]3d³4s². State what…
Answer this question and get it marked →Oxygen is a Group 16 element. Write equations for the following reactions: • sodium and oxygen • sulfur and oxygen
Answer this question and get it marked →Nitrogen and phosphorus are elements in Group 15 of the Periodic Table. Nitrogen is found in inorganic compounds such as nitrogen oxides (NOx), nitrates and nitric acid. Identify…
Answer this question and get it marked →Bromoalkanes are used widely in industry, although there is increasing concern about their environmental impact. Complete Fig. 4.2 to show the mechanism for the formation of…
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