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Among the three types of carbon to carbon bonds, what is the longest, and what is...
According to molecular orbital theory, what is the bond order of B22-? A) 1 B) 3/2 c)2 D) 5/2 E) 3 ОА B Ос OD О Е Among the three types of carbon to carbon bonds, what is the longest, and what is the strongest? A) single,single B) single, triple C) double, triple D) triple, single E) triple, triple ОА B OC OD ОЕ
Question 8 4 pts What types of splitting patterns would you expect in the proton NMR spectrum of the molecule shown below? Mark all that apply. es doublet singlet A triplet с quartet D sextet E B ОА OB Ос OD ОЕ Question 9 4 pts Which compound corresponds to the H NMR spectrum below? (Integral values are indicated above/beside signals.) 3 3 2 1 0 2 PPM FO 6 ho La А B с D E OB o D...
Question 5 For a chemical reaction, AH° 238 = +135.7 kJ and A Sº= +0.379 kJ/K. Calculate A Gº 800 A-167.5 kJ B.-132.8 kJ C. +133.9k D-212.8 kJ E.-192.3 kJ ОА OB ОС OD ОЕ Question 6 0.5 pt For a chemical reaction, Hº 238 = +135.7 kJ and A Sº = +0.379 kJ/K. At what temperature will A Gº=0? A. 213K B. 402K C.358 K D. 470K E. 251K ОА OB Ос OD ОЕ Question 7 0.5 For a...
Pre-Laboratory Exercise 1. What are the three types of bonding? Define each type and the types of atoms/elements involved. 2. Statethe rales for drawing Lewis Dot Sirncures. 3. Draw the Lewis Dot Structure for the following: CH20 a. How many and what type(s) of bonds (single, double, triple) are on the carbon? How many lone pair electrons are in the structure? What is the electron orientation? What is the shape of the molecule? What is the hybridization on the central...
Pre-Laboratory Exercise: 1. What are the three types of bonding? Define cach type and the types of atoms/elements involved 2. State the rules for drawing Lewis Dot Structures. 3. Draw the Lewis Dot Structure for the following: a. CH4 How many and what type(s) of bonds (single, double, triple) are on the carbon? How many lone pairs of electrons are in the structure? What is the electron domain geometry? What is the shape of the molecule? What is the hybridization...
QUESTION 4 Which of the following types of bonds produce strongest absorptions in the IR spectra for sure? (Negative credits will be applied to incorrect answers. Select 2 correct answers to get full credits.) Carbon hydrogen single bond of benzene Oxygen hydrogen single bond of formic acid Nitrogen hydrogen single bond of aniline Carbon carbon double bond of ethylene Carbon carbon double bond of toluene Carbon oxygen double bond of acetone Carbon nitrogen triple bond of acetonitrile Carbon carbon triple...
19. What types of bonds form between the chlorine and oxygen atoms of the chlorite ion (C102 ) to minimize the formal charge? a. single d. triple b. between single and double e. ionic c. double
Question 33 2 pts Which one of the following molecules is polar? (a) BC13 (b) Bel2 (c) CCIA (d) CHCl3 (e) Br2 Ос ОЕ OB OD ОА
Which arrow in the energy diagram for an atom represents the absorption of light with the longest wavelength? Energy A B C D E ос B ОА ОЕ
Question 3 Which is the most stable imine? Bu NO Bu Bn Ph N Ph Pr Bn Ph b e OD ОА OB ОЕ Ос Question 3 Which is the most stable imine? Bu N' Bu Bn Ph Ph N N N N Ph Pr Bn Ph b с D ОА OB OE Ос