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If the pKof HCNO, HIO and HBrO are given below. Indicate which of these acids is...
please answer both questions QUESTION 28 Which of the following acids HCIO2(aq) HClO(aq) HBrO2(aq) HBrO(aq) HIO(aq) is the strongest in aqueous solution? a HIO(aq) HCIO(aq) HBrO2(aq) HCIO2(aq) e. HBrO(aq) QUESTION 29 What is the pH of an aqueous solution of 0.184 M carbonic acid, H2CO3? (Kal - 4.2 х 10-7, ка2 - 4.8 x 10-11) Оа. 3.50 ОБ. 2.80 ОС- 3.56 Od. 2.69 Оe. 297
Which of the following acids is the STRONGEST? The acid is followed by its K a value. HC 2H 3O 2, 1.8 × 10 -5 C 6H 5CO 2H, 6.3 × 10 -5 HBrO, 2.3 × 10 -9 HIO, 2.3 × 10 -11 HClO, 2.9 × 10 -8
Proteins are complex biological molecules made of smaller molecules called amino acids. Five common amino acids and their K, values are listed below. Rank them from strongest to weakest acid. Amino acid pka glutamine 2.2 arginine 1.7 threonine 2.5 tryptophan 2.4 proline 2.0
Which of the following acids is the strongest? The acid is followed by its Ka value. A. HC2H302, 2.5 x 10-5 B. HIO, 2.3 x 10-11 C. HBrO, 2.3 x 10-9 D. HCIO3, 7.9 x 10-5 F CHSCH 45 x 10-5
Inspect the compounds below. The brackets contain the pKa values for the acids. NH4+ (pKa = 9.2); CH3OH (pKa = 16); C6H5SO3H (pKa = -6.5); CH3COOH (pKa =4.7) Of the compounds given above, which is the conjugate base of the weakest acid? (a) NH3 (b) CH30 (c) C6H3SO3 (d) CH3COO- (e) The answer cannot be determined from the information provided.
Inspect the compounds below. The brackets contain the pKa values for the acids. NH (pKa =9.2); CH:OH (pKa = 16); CH SO;H (pKa =-6.5); CH3COOH (pKa = 4.7) Of the compounds given above, which is the conjugate base of the weakest acid? (a) NH (b) CHO (c) CH SO (d) CH3COO (e) The answer cannot be determined from the information provided.
You have four 0.10 M solutions of the acids listed below. Which acid solution will have the greatest concentration of [H3O+]? Select one: a. HCN (ka = 6.2 x 10-10) b. HBrO (Ka = 2.2 x 10-9) c. HCIO (Ka = 2.9 10-8) d. HCNO (Ka = 3.3 x 10-4)
Which one of the conjugated acids of amines shown below is the weakest acid? Which one of the conjugate acids of amines shown below is the weakest acid? NH3 NH NC
Which of the following acids, whose pKa values are given next to them, would have the strongest conjugate base? pKa a) H2SO4 b) CH3COOH 4.8 c) HS 12.9 d) NH* 2.0 9.2 Reaction of a carboxylic acid with an alcohol produces: a) an alkane b) an ester c) a ketone d) an amide During the neutralisation of a weak acid by a strong base the pH of the solution equals the pKa of the acid: a) at the beginning of...
Using the data given below for acids, which of the conjugate bases is the strongest base? Acid Ka HF 3.5 x 10-4 HOAc 1.8 x 10-5 HCHO2 1.8 x 10-4 HClO 2.9 x 10-8 A. OAc- and CHO2- B. OAc- C. F- D. ClO- E. CHO2-