Select the correct Lewis acid and base reaction showing the movement of electron pairs for the following reaction. (CH),CH + "ОН — (СH),СНОН (CH3)2CH :ÖH (CH3)2CHÖH + O (CHa)hCH :OH (CH),CHÖH (CH3),CH ÖH (CH3)>CHÖH (CH))¿CH :OH (CH)CHÖH (CHa,CH FÖH (CH),CHÖH
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- Complete the equation for the reaction between each Lewis acid-base pair. In each equation, label which starting material is the Lewis acid and which is the Lewis base; use curved arrows to show the flow of electrons in each reaction. In doing this problem, it is essential that you show valence electrons for all atoms participating in each reaction. (a) (b) (c) (d)Answer true or false to the following statements about the mechanism of acid-base reactions. (a) The acid and base must encounter each other by a collision in order for the proton to transfer. (b) All collisions between acids and bases result in proton transfer. (c) During an acid-base reaction the lone pair on the base fills the A-H antibonding sigma orbital.Which of the following compounds are acidic (A), basic (B), or relatively neutral (N). CH;-CH-S-H CH;-CH2-CH3 CH;-CH=CH2 CH;-CH,-0-CH, CH;-CH2-O-H
- a) Arrange the following according to increasing basicity. 4p NH3, NHC22, NH(CH3)2 Least basic most basic b) Arrange the following according to increasing acidity. 4p H3CCH2CH=CH, H3CCH2C=CH H3C-C=C-CH3 Least acidic most acidic c) Arrange the following according to increasing basicity. 4p CH;O', CH;NH", CH;CH2', Least basic most basic d) Arrange the following according to their boiling points. 4p Octane, 2,2,3,3-tetramethylbutane, nonane Least BP highest BPIn the following reaction in aqueous solution, the acid reactant is and its conjugate base is CH;COOH(aq) + H2O * CH3CO0 (aq) + H30 (aq) A CH3COOH; CH3C00 B CH3COOH; NH4 NH3; CH3CO0 D) NH3; NH4" E CH3COOH; H30*1) Complete the following reactions and identify the acid, base, conjugate acid and conjugate base. CH;CH,NH2 (aq) + H2O (1) a) CH;COOH (aq) + H,O (I) b) c) Identify the conjugate base and conjugate acid of each of the following. Conjugate Base Molecule Conjugate Acid HCO3 H20 HSO4- H2PO4
- 3. For the following acid - base reaction, (a) predict the products; (b) identify the Bronsted acid, Bronsted base, conjugate acid, and conjugate base; (c) use curved arrows to show the flow of electron pairs in the reaction. CH3 CH2C-OH + NaNHa1/ Hydrolysis of CH;CH,NO, with 85% H,SO, gives? 2/ When benzyl alcohol is oxidised with KMNO4, the product obtained ? 3/ In the below sequence of reactions, A and B? NaCN (CH3),CO- (HCI) 4/ Which of the following is the strongest acid? CH;COOH , BRCH,COOH , CICH,COOH , FCH,COOH 5/ Which substituted benzoic acid is most acidic? .CO2H CH3 .co,H CO2H CI .CO2H CH, 6/ Which acid is strongest or Which is most acidic? а) Cl,CH.COOН b) CICH,COOН c) CH;COOH d) CI3C.COOH 71. In the anion HCOO- the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?Which of the following are correctly ranked in order of decreasing acidity? The least acidic compound should be on the left.There may be more than one correct answer. NH;Which of the following options best completes the sequence below? OH ? 1. aq. HCI; 2. NaOH, heat; 3. BH3; 4. aq. NaOH 1. H₂SO4, heat; 2. BH3; 3. aq. NaOH OH30+ 1. HCI; 2. H₂SO4, heat; 3. BH3; 4. aq. NaOH1. c) Indicate the most acidic hydrogen in each of the following molecules. 요 CH3COCH 3 X° (CH₂CH₂)₂NLi O || CH3CNHCH3 CH,CH,ONa 4 d) Arrange the following bases in order of increasing basicity, starting from the weakest base on the left to the strongest base on the right. O (CH3)3CCCH3 (CH3), COK CHỊCH Li (CH₂CH₂),NIn each reaction, label the reactants as Lewis acids (electrophiles) or Lewis bases (nucleophiles). Use curved arrows to show the movement of electron pairs in the reactions. Draw any nonbonding electrons to show how they participate in the reactions.(a) (CH3)2NH + HCl ¡ (CH3)2 NH+2 + Cl-(b) (CH3)2NH + CH3Cl ¡ (CH3)3 NH++ Cl-SEE MORE QUESTIONS