<p>Was it just me or was this actually pretty hard???? I thought the MC was hard as hell!!!</p>
<p>Bump cmon guys lol… I mean I could’ve been the only one who thought it was hard, but im jw</p>
<p>Well FRQ was interesting. I couldn’t figure out the last part of the equilibrium, and felt a small bit rushed for time. Also forgot how to calculate heat of vap. oh well. </p>
<p>MC was ok. some were really weird though!</p>
<p>Multiple choice wasn’t too bad, about the same as the 2002 released exam IMO. </p>
<p>Free response was significantly more difficult, or maybe it was for me because I wasn’t solid on equilibrium, thermodynamics, acids/bases, etc. So I missed a bunch on Part A lol, but I don’t think Part B was that hard (missed the complex ion question though).</p>
<p>Since when was there a complex ion question? lol</p>
<p>Part B i forgot the reduction in the redox reaction 
and also how to find heat of fusion. A lot of partial obviously but apparently Part B is worth less then Part A in the FRQ. Equations are only 10% of Section II which is 50% so really it’s only 5% of your overall score?!</p>
<p>I thought MC was pretty hard. I forgot how to do some of the FRQs, but overall, I think I did well.</p>
<p>@james11223: The complex ion question was writing the equation for 4(b). I put CoCl2, when most likely it was CoCl4.</p>
<p>@hardworking21: While Part B is worth less overall than Part A, remember that Question #4 is worth 15 points, more than any other section. So I’m sure that even though that #4 is weighted less, it balances out more or less to be worth around the same as questions #5 and #6.</p>
<p>@Agggron: Ah gotcha. Well I missed one of the equations totally I believe. 2 e-'s or 3e-'s?</p>
<p>james11223, fear not, I felt the multiple choice was MURDER too. Haha. </p>
<p>Agggron, crud, I didn’t even NOTICE the possibility of a complex ion and was feeling confident that I had gotten a perfect score on the section till I read this thread. Are you absolutely positive? </p>
<p>hardworking21, I’m pretty sure it was the former.</p>
<p>^Complex ions are usually triggered by the presence of a metal, a Lewis base, and the phrases “excess,” “concentrated,” or “coordination complex.” If all 3 cases are met, it’s probably complex ion.</p>
<p>^ The way I’ve always seen it, if the third of the three conditions that you listed is met, than the question is basically forcing you to make a complex ion. However, if it is NOT met, then the readers could not possibly mark you down for not making a complex ion, am I right?</p>
<p>Well, the question said, “Excess hydrochloric acid is added to a solution of cobalt (II) nitrate to produce a coordination complex.” Therefore, I’m pretty sure that I got it wrong. xD</p>
<p><a href=“Supporting Students from Day One to Exam Day – AP Central | College Board”>Supporting Students from Day One to Exam Day – AP Central | College Board;
<p>^^Right. There’s no way to be sure if a complex ion is made unless one (or more) of the phrases in the third condition is met.</p>
<p>^I think the people here are discussing the late test, not the regular exam. Though 4(b) on the regular exam was definitely a complex ion (CoCl4 2-)</p>
<p>@Cherry: Yay! Then only -4 for a faulty eqn. Unless they give me 1 point for identifying Zn(s)? </p>
<p>@Others: Yes, this is the late exam, not forms A/B as seen on AP Central. So sorry!</p>
<p>guys… I thought were talking about the late exam… LOL</p>