Answer:-
HClO3
because it has the lowest pKa value . Lower the pKa value stronger will be the acid.
Which one of the following is a strong acld? ОсH3COOH O H2SO3 O NH3 ОНРО4 Онсіоз
Which one of the following is a strong acid? O NH3 H2SO3 O H3PO4 O HCIO3 O CH3COOH
Which of the following is not a conjugate acid-base pair? O H30*/OH O NH4+/NH3 O H2SO3/HSO3 O All of these are conjugate acid-base pairs.
10. Which one of the following is a strong acid? A. H2CO3 B. H2SO3 C. H2SO4 D. H3PO4 E. CHCOOH
Which of the following is a weak acld? O H2SO4 O HNO3
Which of the following is a STRONG base? O CH,OH Cr O NH3 O KOH Submit My Answers Give Up
Which one of the following octahedral complex ions is diamagnetic? Note: NH3 is a strong-field ligand. (a) [Fe(NH3)6] 3+ (b) [Fe(NH3)6] 2+ (c) [Cr(NH3)6] 3+ (d) [Cr(NH3)6] 2+ (e) [Co(NH3)6] 2+
Which of the following is a strong base? O NH3 О со(он)2 OAl(OH)3 OB(OH)3 Оснзон
Question 20 Which of the following is a nonpolar molecule? O ICI O NH3 CI20 (one Cl is central) O SO3 < Previous
Which of following could be used to make a buffer with sulfurous acid, H2SO3? O sulfurous acid cannot make a buffer O sulfate ion hydrogen sulfite (bisulfite) ion O sulfite ion
Which of the following is a strong base? a. NH3 b. NaOH c. MgO d. both b and c