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- Arrange the following in increasing order of basic strength :C6H5NH2, C6H5NHCH3, C6H5N(CH3)2What steps would you need to take to calculate the pKa1 and pKa2 of something? For example: hydrosulfuric acid H2S(aq) (-38.6 ΔH^0 f kJ mol^-1).1. Which of the ff. groups is an electron donating group by resonance? A. COOCH3 B. COCH3 C. N(CH3) 3+ D. NHCH3 2. Looking at the diagram. Rank the ff. hydrogen atoms in the structure below based on the order of INCREASING acidity A. H4 < H3 < H1 < H2 B. H1 < H2 < H3 < H4 C. H2 < H3 < H1 < H4 D. H2 < H1 < H3 < H4
- What is the value of Kb for the formate anion, HCOO-? Ka(HCOOH) = 2.1 × 10-4HCN (aq) + SO4^2- (aq) -->2 part question please help! a) Which of the following is the strongest acid? a. CH3COCH3 (pKa = 19.3) b. CH3COOH (pKa = 4.76) c. CH3(CH2)2CH3 (pKa = 50) d. CH3CH2OH (pKa = 16.00) e. CH3(CH2)3C≡CH (pKa = 25) b) A carbon-carbon double bond contains the following bonding orbitals: a. one π and one π* b. two π c. one σ and one π d. one σ and one π* e. two σ
- Given the table below, what is the most probable identity of the acid?Acid KaHypochlorous acid 3.0 x 10⁻⁸Nitrous acid 7.1 x 10⁻⁴Hydrogen cyanide 6.2 x 10⁻10Propionic acid 1.3 x 10⁻⁵Which arrow (x, y, or z) points toward the most basic atom in the molecule to the right? Which structural feature plays the most significant role in influencing the relative acidities of the indicated protons? a. inductive effect b. size c. resonance d. hybridizationHow many of the following elements to form compounds with an extended Octect Pb Kr Si B
- Rank the following acids in order of strength. H2S, CHCl3, H2Se, CH2Ch2Draw and identity thr hybridized atoms (sp/sp2), draw reaonance structures/ polar bonds, and acidic hydrogens and basic positions for the compound Omeprazole.How is SO3 more acidic than MgO? SO3 + H2O = H2SO4 so it can give two (H+) but MgO + H2O = Mg(OH)2, wouldn't it therefore also be able to give 2 (H+) making it just as acidic as SO3? can someone explain?
