通常而言,IBDP 化學被視作一門比較難的學科。但對于一些小伙伴而言,IB化學卻并不那么難。這兩者并不矛盾。今天帶著大家一起看一道IBDP化學課程的真題:選擇題(HIGHER LEVEL PAPER 2)。這道題取自于IBDP chemistry specimen paper。不多說,直接上題。
題目1: One of the main constituents of acid deposition is sulfuric acid. This acid is formed from the sulfur dioxide pollutant.A mechanism proposed for its formation is:

(e) With reference to section 9 of the data booklet, explain the difference between the atomic radius and the ionic radius of nitrogen.
題目難度:簡單。
考點分析:考查radius
題目分析:nitrogen得電子變成ions,電子數的增加導致排斥力增加,導致ions的半徑大于atoms的半徑。
正確答案:

題目2:One of the main constituents of acid deposition is sulfuric acid. This acid is formed from the sulfur dioxide pollutant.A mechanism proposed for its formation is:

(d) Other compounds present in acid rain are formed from nitrogen dioxide. Formulate an equation for the reaction of nitrogen dioxide with water.
題目難度:簡單。
考點分析:考查reaction of nitrogen dioxide with water
題目分析:二氧化氮和水反應生成硝酸和亞硝酸。
正確答案:

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