Which of the following solutions is most concentrated? A B С D E 4.0M 3.0M 2.OM...
QUESTION 4 Which of the following statements about dilute and concentrated solutions is true? a. Concentrated solutions have large amounts solvents compared to solutes b. Concentrated solutions have small amounts of solutes compared to solvents Dilute solutions have a large amount of solute compared to solvents! Dilute solutions have a small amount of solutes compared to solvents
A B с D Label the carbocations from most to least stable. D> C >B>A B>C>A>D B>A>C>D OA> C>B>D
Which alpha proton in the molecule below is the most acidic? a d с A B С D
Which of the following solutions contains the highest [H3O+] ? A) A concentrated solution of a weak acid B) a dilute solution of strong acid C) a dilute solution of a weak acid D) we cannot tell from the information given
Which of the following will dissociate completely in dilute aqueous solutions? A. PbCl2(s) B. H3PO4(aq) С. СН-ОН(ag) D. (NHa)2CO3(aq) В. С. D 0D A, B B, D
In which on e of the following solutions is silver chloride the most soluble? A) 0.0150 M NH3 B) 0.200 M HCl C) pure water D) 0.750 M LiNO3 E) 0.185 M KCl
45. The most likely products of the following reaction are_ conc. Hl н,с-с-о 46. The most likely product of the following reaction is 1) Hg(O,CCF,h (CHCOH 2) NaBH o-C(CH) он C(CHy) C. 47. The following transformation can be made by A. Reaction with H2O/Cl2, followed by reaction with concentrated NaOH B. Reaction with m-chloroperoxybenzoic acid, followed by reaction with concentrated NaOH C. Reaction with HBr, followed by reaction with potassium t-butoxide. D. Reaction with Hg(O2CCH3)2, followed by reaction with m-...
Which of the following will dissociate completely in ditute aqueous solutions? А. РЬС45) B. H3PO4(aq) С. Cннон аq) D. (NH42CO3(aq)
Which of these compounds is most reduced? он Н он он Он А B с D СА ОВ OD Which reagent(s) when reacted with 1-ethylcyclohexene results in this product? OH OH A. 1. m-CPBA 2. H20/H307 B. Cold dilute KMn04 C. Dilute H2504 OD. 1. Os04 2. Na2SO3 Which is an intermediate in this reaction? HBr Br Br Br A B C D A B с D
b a d с 16. Which species is autotrophic? 17. Which species is most likely a tertiary consumer on this food web? 18. Species C is toxic to predators. Which species is most likely to decrease or die out? Explain your answer choice I