Answer E ( H2SO3)
Due to very less dissociation , H2SO3 treated as weak acid / weak electrolyte. It form polyprotic ions by removal of 2 H+ ions.
Weak acid treated as weak electrolyte
Which of the following acids is a weak electrolyte? a) HNO3 b) HCI c) HI d) HCIO4 e) H2SO3
Which of the following acids is a weak electrolyte? a) HNO3 b) HCI c) HI d) HCIO4 e) H2SO3
Which of the following is a weak electrolyte in aqueous solution? O HCIO4 O H2SO4 O H3PO4 O HNO3 O HI
2 Which of the following acids is a strong electrolyte? a) H2SO4 Ob) HCI OC) HE d) HCIO4 Oe) H2CO3 Of) HBr O g) more than one correct response O h) no correct response 6 What is the conjugate base of HSO4 ? • a) H2SO4 b) SO42- OC) H3504 d) H2SO4 e) no correct response 3 Which of the statements below is true for the following reaction? 3H2S + 2 HNO3 --->3 S + 2 NO + 4H20 a)...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
Give the Stock System names for the following acids: a) HCl b) H2S c) H2Se d) HNO3 e) H2SO4 f) HCIO4 g) HCIO3 h) HI i) HNO2 J) HCIO
Which of the following compounds is a weak electrolyte? HNO2 NaNO3 NaOH HNO3 NaNO2
7. Which of the following are strong acids? 1. HI 2. HNO3 Which of the les 3. HF 4. HBr a) 3 & 4 b) 1, 2, 3, & 4 c) 1, 3, & 4 d) 2, 3, & 4 e) 1, 2, & 4
6. All of the following are strong acids except A) HCIO B) HCIO4 C) HID) HBrE) HNO3
17. Which of these acids is the strongest? A) H2SO3 B) H2SO3 C) H2TeO3 18. Which one of these net ionic equations represents the reaction of a strong acid with a weak base? A) H(aq) + OH(aq) + H2O(aq) B) H(aq) + CH3NH2(aq) → CH3NH3(aq) C) OH(aq) + HCN(aq) → H2O(aq) + CN-(aq) D) HCN(aq) + CH3NH2(aq) → CH3NH3+ (aq)+ CN (aq) 19. Predict the direction in which the equilibrium will lie for the reaction H2CO3 + HCO,- + HF....
10. Which of these species is probably the weakest acid? (a) HCI (b) H3PO4 (c) H2SO3 (d) HOBI (e) HNO3 11. What volume of 0.50 M KOH would be required to neutralize completely 500.0 mL of 0.25 M H3PO4 solution? KOH is sufficiently strong as a base to remove all three protons from H3PO (a) 2.5 x 10 mL (6) 1.4 x 10mL (c) 83 mL (d) 7.5 x 10 mL (e) 5.2 x 10 mL