Quiz2_2004_9oclock

Quiz2_2004_9oclock - {fl —0| QUIZ 2 Chemistry 102 20 pts...

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Unformatted text preview: \{fl —0| QUIZ 2, Chemistry 102, 20 pts total, 2 pts/problem Please remember to put answers ON the bubble sheet. Use the following electronegativity values as needed in the test. C 2.5 CI 3.2 H 2.2 N 3.0 O 3.4 1 (it 2. Select from the following group the molecule that fits the given statement: Cl " e I A) CH3CHO A) a B) 6: CM, c) “‘6‘” 0) B) CO; /c -- H u C) CH3C1 c “ H ” D) CZH6 E) none 1. This molecule contains a carbon atom with trigonal planar geometry. “*3 2. This molecule is the most polar. O '3 EN “than Ql s W! L) N.- 3. Which of the following is the correct order (uses > or =) for molecules from most to least polar? A) CI—L1 > 0502 > (:an2 > cc14 > (202142 B) CH4 > CF2H2 > (3:202 > CCL1 > @le2 C) (312202 > CF2H2 > CC12H2 > CH4 = (1:14 ® CFsz > cc12H2 > CFZCI2 > CH4 = CCL, E) c1302 > (:11er2 > (:Cl4 > CC12H2 > CH4 Ix) w \ x” ‘_ -—~ 5 . .. n 4. Which has the larger N—O bond length, NO; or N03”? ' A) NOZ- ® NO? 4— Hu‘s bet-ks “rm, C) The bond lengths are the same. D} More information is needed. E) None ofthe5e(A-D) _‘ ‘02:, F 1-116.: ,.. _, ... “I” 6 (A m ’ I, /‘\‘\O'l_ *fI/ 4" \. 6—3 D: :0 9:6. z).- - a " Ate—170MB 3 (' Balm 7 La ’3 tom-15 : Ream/$613, 3—. ( iii,“ h‘ hr!- '5‘. h“: Mi) «5 5. How many of the following molecules have all of their atoms in the same plane? H H2C=CH2 F20 HZCO NH3 (:02 BeC12 ‘h‘. I" 511le a I I ‘ A) 3 H / u 4 E: L Q 2: Q t O c 5 if \ H ~ D) 6 P (EM ‘6‘ J Flt/CvaR/U E) 7 ’ Cl” E39,“ - JN HAWLG‘AJ p 6. Two Possible Lewis structures for H3303 are H—5=}lj-—Q—H :(Ij: 1) H H—§—B——§-—H 2) H The formal charges on B for cases (1) and (2) in the order (1), (2) are: A) O, 0 B) -1, 1 © -1, O D) 0, +1 E) 0, -1 7 £18. Select the correct molecular structure for the given species from the choices below: A) square pyramidal B) none of these C) octahedral D) trigonalplanar E) bent 7. BeF3' 17K5=Zfil +1 {Fiji , ‘ 4r r' at 1T1 F: 2m F r 06“ Flamm- "334 8. XeF5+ ‘ F 5- b g F‘ A9.) F saw 1:;- F I {p 41 ' 9. The hybridization of the central atom in )"(eFS+ is: A) sp B) 5192 C) SP3 D) dsp3 5 mm + I , ® P (8&1) fig) 10. The hybridization of the central atom in Cle+ is: A) 5P ' '7x3 1 2.! ' ' B 5p2 3 -C) sp3 ;- ~1— D) dsp3 :F/ 3 “f E) (125133 Lh ...
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Quiz2_2004_9oclock - {fl —0| QUIZ 2 Chemistry 102 20 pts...

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