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27 Wochor the following show simfom. A) COCIN - Hd CHN - HOU C-1) © CHẠNG VÀ HHU () Catal" ) ( H (4) D) CHIN - CHICOOK (1) CHINE() - CH.COM 2) CANIN - HOM) CHINHO (4) in the con Se A) + 2NH (1) AN() the Lewis A) AB BÀ NIỀM C) ARNIS D) HO E) OR 29 Which of the following show the correct net ionic equation for the reaction of HE with NOW! A)HO (1) H.O() + OH (1) B) (aq) + HO (1) HF (aq) + OH(aq) C) HF (Q) - HO (1) HIO (aq) + F (aq) D) HF (aq) + OH(aq) + H2O (1) + F (aq) E) none of the above 30. Which of the following is an example of a polyprotic acid? A) HCI C) HF B) H:CO: D) CH.CH COOH E) Choices B and D
27. Which of the following show the weddition ton of the prom. 8) CHINH * 10 CH (H) C141N (B) - HD ] B) CHIN (Q) - HO CHOO c) CHN () - 11:00) 2.HNIT (4) OH D) CHIN (aq) + CHCOOHNUNCH.CO D) CHIN (4) - H:0) CHIN (4) + HOT 28. to the reaction Ag (aq) + 2 NHA (aq) # A B NHI (44) the Lewis acid is: A) Ag" C) ARNH) D) H0 B) NI E) OH 29. Which of the following shows the correct net ionic equation for the reaction of HF with Nao? A) 2 H:0 () A HO" (aq) + OH(aq) B) F (aq) + H2O() HF (aq) + OH(aq) C) HF (aq) + H,() HO(aq) + (aq) D) HF (aq) + OH" (aq) H20 (1) + F (aq) E) none of the above Which of the following is an example of a polyprotic acid? C) HF A) HCI D) CH3CH2COOH B) H2CO, E) Choices B and