Consider a trigonal bipyramidal complex with five sites, how many stereo- isomers are possible if all...
Consider the trigonal bipyramidal tungsten complex [W(CO)>(PMe3)2] 0) Draw the structure of the cis- and trans-isomers. (1) Discuss how you would use NMR to distinguish between the isomers (III) Discuss how you would use IR spectroscopy to distinguish between the isomers (Illustrate your answer with suitable diagrams)
3. Consider the trigonal bipyramidal complex Fe(CO)4(PPh3) (Note: PPh3 is triphenylphosphine, P(C6H5)3. For symmetry purposes you can ignore the phenyl groups) a) Draw the two possible isomers for this complex and determine the point group for each. b) Consider IR data for one of the possible structures: Vco = 2052, 1978, and 1945 cm-1. Can this data be used to determine which of the two structures you drew in "a" is the correct structure? Determine the number of IR-active stretching...
5. How different stereoisomers (i.e. geometrical and optical isomers) of the complex are possible? many 3+ [Co(en)3] en = ethane-1,2-diamine ethylenediamine = NH2CH2CH2NH2 а) 1 b) 2 c) 3 d) 4 e) 5
A. consider tossing three coins, one after the other. How many different arrangements are possible? (answer 8 for 2^n) but the following I'm unsure about B. We will call each of the arrangments above a microstate. Arrange the microstates into groups according to the number of heads. We will call these groupings a macrostate. For example: HHH (3 heads) HHT (2 heads) How many macrostates are possible for three coin tosses? C. How many microstates correspond to the macrostate of...
Constants Part A How many different values of l are possible for an electron with principal quantum number n = 5? Express your answer as an integer. 5.00 Submit Previous Answers Correct Part B How many values of mi are possible for an electron with orbital quantum number 1 = 4? Express your answer as an integer. O ACP R O 2 ? Submit Request Answer Part C The quantum state of a particle can be specified by giving a...
Part B(COMBINATORICS) LEAVE ALL ANSWERA IN TERMS OF C(nr) or factorials Q4(a)6) In how many ways can you arrange the letters in the word INQUISITIVE? in how many of the above arrangements, U immediately follows Q? Q4. (b)Suppose you are a math major who is behind in requirements and you must take 4 math courses and therefore next semester. Your favorite professor, John Smith, is teaching 2 courses next semester you "must" take at least one of them. If there...
Solve 12-14 12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible? g. Draw each of these stereoisomers. h. Identify pairs of enantiomers and pairs of diastereomers. i. Build a model of the stereoisomer that has both OH groups pointing out. Also, build a model of the mirror image of this molecule. j. Do your two molecules represent enantiomers? Are they chiral? Fischer Projections 13. Build a model of 1-bromo-1-chloroethane. a. Draw a3D representation of this...
1) A: List all possible outcomes (the sample space) for the tree diagram below B: Calculate the number of all possible outcomes: bb 2) Based on the tree diagram below, how many ways can a coin be tossed four times and get exactly 3 tails? Hнн HHT HHHH HHHT HHTH H HTT HTHH HTHT HTTH HTTT THH T THT TTHS THHH THHT THTH THTT TTHH ΤΤΗΤ ΤΤΤΗ ΤΤΤΤ ΤΤΤ 3) How many 12-letter "words" (real or made-up) can be made...
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded in different orders. These may be further distinguished as chain isomers, which differ only in hydrocarbon chain structure, positional isomers, which differ in the location of a functional group, and functional group isomers which differ in the nature of their functional groups. Typically chain and position isomers show only modest differences in their physical and chemical properties, while functional group isomers differ greatly from...
What is the main difference between a situation in which the use of the permutations rule is appropriate and one in which the use of the combinations rule is appropriate? Both permutations and combinations count the number of groups of r out of n items. Combinations count the number of different arrangements of rout of n items, while permutations count the number of groups of r out of n items. Permutations count the number of different arrangements of r out...