SOULUTION OF (LATEST) AS CHEMISTRY PAPER 2 MARCH 2023 (9701/22/F/M/23).

HOW TO SOLVE AS CHEMISTRY (LATEST) PAPER 2 MARCH 2023 (9701/22/F/M/23) BEFORE MARKING SCHEME? I tried to solve this paper with reporting and explanation with out consulting marking scheme that is not yet available. In marking scheme, answer of Question 3(a)(ii), is [positional isomerism] I am not convince As per my opinion my answer is correct answer. Apology! There an incomplete answer is recorded in question number 2(d)(ii), complete answer is BaBr2.