693 k[A] Directions: Choose the ONE BEST answer for each question. acid, that ex
ID: 304650 • Letter: 6
Question
693 k[A] Directions: Choose the ONE BEST answer for each question. acid, that expected to be more soluble in an Which of the following sparingly soluble salts would be ex is, in a solution of H (aq), than in pure water? 1. d. 1, 4, and 5 only 1, 2, and 3 only then answer the follow Baco) (3. Nis) 4. P112 5. AgCl 1 and 3 only 1. CaF a. 4 and 5 only b. c. 2 and 3 only 2. Determine the coordination number of Fe in the complex [Fe(en),Cl .and question. What is the most likely molecular geometry of [Fe(en),CI,J a. linear b. tetrahedralc square planar d. octahedral e. trigonal planar 3. Suppose the following data are for the reaction: C,JH,N.() CH,(g) N (g) H. C H.N.1 1.13 x 10-2 M Rate in 1.94 x 10 3.73 x 10 7.6 x 10 7M/s 1.3 x 10 2.5 x 10 e reaction is first order in C,H,N,(g), calculate the value of the rate constant k. uggestion: write the rate equation, plug in any one of the points, and so .6 x 10s b. 2.5 x 10s sc. 6.7 x 10s s d. 46s e. lve for k.) 67sExplanation / Answer
The answers are
1- e) 1,2, and 3 only.
As salt of weak acids are more soluble in acidic solution.
2- d) Octahedral
As six coordinating atom is there.
3- c) 6.7*10-5 s-1
7.6*10-7/1.13*10-2= Answer
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