As the replacing one Hd proton at a time with any other atoms say Cl will lead to formation enantiomers, the two Hd atoms are enantiotopic.
Ha and Hc are Heterotopic, as they will lead to the formation of structural isomers.
е CH с 3 н нн СН з ХotHr CH 3 Н. a I Question 12 1 pts The two methyl groups in the molecule are... Homotopic Enantiotopic Diastereotopic Heterotopic
а , счин СН 3 As to the CH 3 Question 10 1 pts The three H atoms in any one methyl group in the molecule in question 2 are ... Homotopic Enantiotopic Diastereotopic Heterotopic Question 11 2 pts Hc and Hf are... Homotopic Enantiotopic Diastereotopic Heterotopic
Question 6 Ha and Hb are Н. H A. enantiotopic B homotopic none of these D. mesotopic E diastereotopic A Moving to the next question prevents changes to t
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
kJ/mol kJ/mol дн, н(е -1,367.4 (ethanol) 218.2 combustion Aнр, н, е Ан дн,С (diamond) 1.90 ,На (3) 0 дн, н,о (0 Ан,С (graphie) 0 -241.8 Ан", со, (8) дн, н,о ) ΔΗ -393.5 -285.8 Ан", со, (аg) -412.9 249.4 Ан,, о, ) 0 Part 1: (a) Write the chemical equation for the formation of 1 mole of ethanol from its elements. Include the states of matter. 1 02 (g)+3 H2 (g)--c,H,OH ( 2 C (graphite) Part 2 out of 3...
CH3 H2SO4 н,с. OH сH, 2. OTs SH NaSH н, с сH, OTs No reaction H,с. Cн, o CH3 HBr Br HO H,с CH Provide the reagents necessary to carry out the following conversions. Br SH NadH NasH
please answer will rate thanks MULTIPLE CHOICE QUESTION се ннннн он -let-Е-Е-Е- to нннннн н-с-с-с-с-с ннннн This fatty acid is omega 2 fatty acid omega 3 fatty acid omega 7 fatty acid omega 6 fatty acid
pand hould 5. The number of pi bonds in the molecule below is нн Н- С-С- нн B) 4 6 D) 10 E) 15 6. The geometry of the CS2 molecule is best described as A) linear. B) trigonal planar. C) tetrahedral. D) bent. E) trigonal pyramidal. 7. Which choice gives the correct oxidation numbers for all three elements in Ca(CIO); in the order that the elements are shown in the formula? A) +2, +1,-2 B) +2,-2, +1 C) +2,-3,...
Which solvent(s) listed below would be satisfactory in Snl reactions? 0 o Н;С CH; DMSO H3C Н;С CH3CH2OH H DMF I II III a. I only b. II only c. III only d. I and II Oe. I and III f. II and III Og. All of the above What two products are expected in the following reaction? CH3 HBT H H BI CH CH; CH BI H Br I II III H Br Br H CH; CH IV V...
3. [10 points] Consider the following molecule: d Н н g a C4 C5-H C2C3 b нн (a) Identify the hybrid orbitals used about Ci, O2, C2 and Ca C4 С: O: С: (b) Estimate the bond angles a, B, y and 8. В: y: a: (c) How many sigma bond(s) and pi bond(s) are present in the molecule? Answer: _sigma bond(s) and pi bond(s) are present in the molecule. 4. [2 points] How many carbon atoms are present in...