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Practice Problem 5.11
List the substituents in each of the following sets in order of priority, from highest to lowest:
(a)
(b)
(c)
(d)
(e)
(f)
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- The unsaturation number or degree of unsaturation (U) can be used to determine the number of rings and multiple bonds in a compound from its molecular formula. Given a structure, you can determine the number of hydrogens without having to count them explicitly. Consider three compounds and their degree of unsaturation. (a) A compound A has the molecular formula C7H13ClN2OC7H13ClN2O. How many rings and/or π bonds does it contain?arrow_forward2.43 In each of the following sets, which structures represent the same com- pound and which represent different compounds? (a) Br CH3 CH3 CH3CHCHCH3 CH3CHCHCH3 CH3CHCHCH3 CH3 Br Br (b) Но но. но HO но (c) CH3 CH2CH3 CH3 CH3 CH3CH2CHCH2CHCH3 HOCH2CHCH2CHCH3 CH3CH2CHCH2CHCH2OH CH2OH CH3arrow_forwardPart A Calculate AHrxn for the following reaction: CH4 (g) + 4C12 (g) → CC14 (g) + 4HCI(g) given these reactions and their AH values: C(s) + 2H2(g) C(s) + 2C12(g) H2 (g) + CH4(g), → CCL4(g), Cl2 (g) → 2HCI(g), AH = -74.6 kJ AH = -95.7 kJ AH = -184.6 kJ Express the enthalpy in kilojoules to one decimal place. Vα ΑΣφ ΔΗ- kJ %D Submit Request Answerarrow_forward
- Convert the following bond-line structure to a Newman projection (look from C5 to C4). Then draw the highest and lowest energy conformer for the molecule: H Harrow_forwardFont Paragraph Predict the main organic product of the following reactions: (a) CH2-CHCHCH3 H*, H2O, heat CH3 (b) CH-СНСНСH3 Br2 CH3 (c) CH-CHCHСH3 (1) BH3 CH3 (2) H2О2, ОН-arrow_forward3. Rank the substituents in each of the following sets: (а) -Н, -ОН, -СH2CH3, -СH2CH2ОН (b) -СО2Н, -СО2CH3, -СH2ОН, -он (c) –CN, –CH2NH2, -CH2NHCH3, –NH2 (d) –SH, -CH2SCH3, –CH3, -SSCH3arrow_forward
- (a) (b) 1. CH3MgBr 2. H3O+ H3C OH I H3C-C-C-CH3 H3C H ОН H CH3 CH3 H3C CH3 H3C H₂SO4 C=Carrow_forwardThe degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas: (a) C9H12 (b) C,H40| (c) C,H,N2arrow_forward7. Assign E or Z configuration to the following molecules: (A) (B) (C) (D) (E) I = Z; II = E I=E: II = Z I= E; II = E I=Z; II = Z I= E; II is neither E nor Z OH I II C1arrow_forward
- (i) how many bonds does the molecule have? (ii) how many unhybridized p-orbitals total does the carbon labeled (b) have? (iii) how many unhybridized p-orbitals total does the carbon labeled (a) have? H-CEC-N (a) c=c=Ö: (b) H Harrow_forward4. Which Newman projection corresponds to point A on the graph of potential energy vs. rotation about the C₂-C3 bond? Potential Energy- (A) (C) 0 H CH3 Q. 'Н H H H₂ H 60 CH₁ H -CH3 H A CH3 120 180 Degrees of Rotation (B) (D) n 300 240 HH H H 360 CH3 CH3 CH3 HDCH3 H&H Harrow_forwardThe degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas: (a) C24H30 (b) C15H22 (c) C,H¡Cl,Narrow_forward