Question

6. Rank all of the functional groups we have studied so far in order of lowest to highest boiling points. There should be three categories: nonpolar molecules with just London Forces, polar molecules with just dipole-dipole interactions, and hydrogen bonding capable molecules. 7. Which of the families listed above hydrogen bond with water molecules? 8. Give all three definitions of acids and bases: Arrhenius, Bronsted Lowry. Lewis. Show how methanamine qualifies as a base for each as it dissolves in water 9. Give the common name for the aldehyde, carboxylic acid and amide for molecules with 1-6 carbons (Frogs Are Polite Being Very Curteous) 10. Write the rules for the common names for ketones and amines.

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Answer 1

compound I family Molarmass Boiling point (oc) alkane CH₃ CH₂ CH₂ CH3 CH₂ OCH CH3 en Lacta ether ester CH₂ CH₂ CHO aldehyde Ketone alcohol carboxylitauid 60 Type of Intermolecular force dispersion only weak dipole Moderate dipole strong dipole Stoong er dipole hydrogen bonding 'hydrogen bonding CH₃ CH₂ CH₂ OH CH3COOH o alkohol form and corboxylic acid families listed above h-bonding with water molecules. & Arrhenius theory of auid: Any compound that contains hydrogen and produces (H+) [hot when react with water ] ions when dissolved in water, Ex. Helcaq, htcaq) + dag Arrhenius theory of base; A substance that dissociates in water to produce oh ions. er. Naot Nattou According to the Brønsted - locory theory anaeid å a hydrogen ion donor and a base is a hydrogen-ion acceptor. ex. Hel the cathot caqs aid. Bare € According to revis: lewis acids are electron pair accentors and lewis bases are election pairs donors. EX NH3 + BH₂ h N: BHs. lewis bage lewisauid. -

Methanamine CH₂NH2 CH2 - N N +420 CHE NHA + OH- it accept Ht: so it is bane (Bronstal Luery) it dissociate and produced OH 80 m Arrhenice base CM₂ Nh3 losses its election pour so its tewis base. common names compounds Aldenyde corboxylic acid, HCHO [Formaldehyd e] CH₂ CHO [ Acetaldehyde] CH₂ CH2 ano [propionaldehyde] HCM), apo (Butyroldehydre] HCOOH [methanoic acid CH₂COOH [ethanoicaud] Hooc.Cool [oxalic acid] peath NH2 [ formamide] CH3CHEM 2 CH2 Ch Enna [ nexonomide] CHUZUNK [propi ona mide] Chenen LNH T butana mide] amide.
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