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Which of the following is a salt? a) HC4H702 b) H20204 c) H2C2H404 d) NaOH e)...
Which of the following acids is a diprotic acid? a) H3PO4 b) HCIO c) HC2H302 d) H2SO4 e) HNO: f) more than one correct response g) no correct response
B: salt of strong base (NAOH 8. 31) Of the following, the acid strength of A) Cl3CCoOH is the greatest. C) BrCH2COOH E) Cl2CHCOOH D) CICH2COOH B) CH3COOH in the tphle which of the coniugate bases below is the strongest base? TT- L
Question 30. Which of the following sets of elements is arranged in order of decreasing electronegativity? A. O, S, As B. Cl, B, F C. Br, Cl, P D. Be, C, O Question 31. In which of the following triatomic molecules or ions are both of the bonds multiple bonds? A. HCN B. CO2 C. NO2– D. more than one correct response E. no correct response Qoestion 32. Which of the following statements concerning molecular polarity is correct? A. All...
All of the following are incorrect formulas of a salt except a. CaCl_2 b. MgF_3 c. LiN_2 d. NaBr_4 e. Cal Which formula/name is NOT correct? a. CaH_2/calcium hydride b. N_2O_4/dinitrogen tetraoxide c. Al_2(SO_4)3/aluminum sulfate d. Cu_2S/Copper(I) Sulfide e. Na_2SO_3/sodium sulfate The correct Lewis formula for N_2H_4 is (each dash represents two electrons) What is the product of reaction of a strong acid with a strong base? a. water and a gas b. water and a precipitate c. water and...
Which of the following is not a topological ordering for the graph: A ) O f, e, d, a, c, b O f, a, b, d, e, c O e, f, a, d, c, b O f,a,c,e,d,b QUESTION 4 Which of the following is not part of the definition of a flow? The flow out of the source is 0. O The flow into a vertex (not the source or drain) equals the flow out of that vertex. O The...
Which of the following is the strongest acid? a. H3PO4 b. NaOH c. NH4+ d. H2CO3 e. HCl
Question 5 Which of the following compounds is not aromatic? A. B. C. D. A. A СВ. В с С. С D.D Question 6 In terms of resonance stabilization, which one of the following statements is not true? نہ ہو (A) CH3 0 is more stable than CH3CH20- (8) cnydanlar cusiowi (B) CH3CCHÖCHz is more stable than CH CCHCHC 0 cionari (C) CH.CH,CHECHz is more stable than CH3CHCH_CCHz NH2 NH H,CANH (D) CH3CHNH2 is more stable than CHCNH2 (E) N...
1. According to collision theory, which of the following factors does affect whether or not a reaction will take place? a) number of valence electrons b) molecular mass c) oxidation number d) collision orientation e) percent composition f) more than one response is correct (i.e. does affect reaction) g) no correct response 2. In which type of reaction are all the reactants and all the products elements? a) combustion reaction b) synthesis reaction c) single-replacement reaction d) double replacement reaction...
please answer all of the following ed ef m élé*α ians, te , a earhen.aypm double b alds .cru h. Ofl portion fiom the alechol s. 0R porion f from the aloohal honds to the 19. Which of the following aldeydes is paired wits an incorect TUIPAC me b. CH d more than one corect npose 20. Which of the folowing peiringsof keone IUPAC and comemon sames is c b. 3-methyl-2-pentanone and isoperopyl netyl kosone d more than one correct...
Whicts b. B ?.? d. D e. All of these exeept C 14. Which of the following does not represent a similarity between nitriles and carboxylic ac a. contain 3 carbon bonds to an electronegative element b. e. d. e. all of these are characteristic of both nitriles and carboxylic acids. contain two st bonds. act as electrophiles undergo nucleophilic substitution reactions 15. Which of the following is the correct assignment of the classes of the following compounds? CH3 a....