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Question 25 Acetals are unstable in the presence of an aqueous solution of which of these?...
Question 26 What would be the major product of the following reaction? ol D ? D20 room temperature A. 0 CD3 JI 1 CH5C —CHCH3 B. O CH3 II 1 CD 5C —CDCH3 C. o CH3 II CH5C —CDCH3 D. OD Cated OCHCH CHECDCHCH3 CH3 E. O TI CH5C — CDCD3 CD3
22. What is the hybridization on carbon in C2H2? C) sp E) sp3d2 D) sp3d A) sp3B) sp2 23. What is the pH of a 1.0x 109 M solution of HCI? 24. What is the pH of a 0.1 M aqueous solution of NaOH? 25. Which compound will form an acidic solution when dissolved in water? F) Ba(CH3COO)2 E)Ca(NO3)2 D) Kl С) NaCl B) KNO2 A) NHcl
22. What is the hybridization on carbon in C2H2? C) sp E) sp3d2...
QUESTION 18: Which of the following compounds gives a 1M aqueous solution having the highest pH? A. (CH3)4N+OH– B. (CH3)4N+Cl– C. (CH3)3N D. (CH3)3NH+Cl– QUESTION 19: The overall conversion RBr →→ RCH2NH2 can be accomplished by successive application of which of these sets of reagents? A. Mg, ether; then NH3 B. NaN3; then LiAlH4 C. NaCN; then LiAlH4 D. H2C=O; then NH3 E. H2NOH; then LiAlH4 QUESTION 20: Which sequence is suitable for preparing butylamine from 1-propanol? A. KMnO4, then...
Question 13 Which salt(s) listed below form(s) an acidic aqueous solution when dissolved in water? I. KNO2 NaF NH4CIO4 III. a. III only b. All of these O c II only d. I and II e I only
QUESTION 8:
QUESTION 12:
QUESTION 14:
QUESTION 16:
Question 8 Which of the following compound is hydrolyzed most rapidly by aqueous NaOH? cu&a condolos casos conocimi 00 | CHCOCCH, CH,CH CHUCNH, CH,COCH III. 0 B.11 C! 0 DIV Question 12 What is the major product of the following reaction? 0-OH heat C-OH O=O O= C-OH + CO2 > + H2O OLO + H2O V. AOH OH FO + CO2 OH CA! ОВІ 0 Question 14 Which is the structure of...
QUESTION 16 Which of the following is a weak acid in aqueous solution? a. HBr b.HI c. HNO 2 d. HCIO 4 e. H2SO4 QUESTION 13 All of the following half-reactions are balanced except O a. H 3PO 3( aq) + H 20(1) - H3PO 4( aq) + 2H +(aq) + 2e -. O b. H 20 2(aq) → 20H "(aq) + 2e . OC 2H 20( ) + 2e - → H2(g) + 20H (aq). d. 27a( S) +...
QUESTION 7 Which of the following is a strong acid in aqueous solution? O a. NH 3 OБ.Н ЗРО 4 Oc Mg(OH) 2 Od. HOCH 2CH 20H е. HBr QUESTION 8 The density of a gas is 1.2 g/L at STP. What is its molar mass? Oa. 30 g/mol b.27 g/mol c. 46 g/mol d. 18 g/mol e. 29 g/mol
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e) HSO (d) F (b) Н:0" 6, Use Table 15.2 (page 529) to decide whether the species on the left or those on the right are favored by the reaction. a. NH4 (aq) + H2PO4" (aq) # NH3(aq) + HsPO b. HCN (aq) + HS(aq) CN" (aq) +H2S c. HCO +OH CO2 H2S d. Al(H20)6 3+ +OH = Al(H20) s2+ OH 7. The equilibrium constant...
4, Question Details Solid sodium phosphate is added to an aqueous solution of manganese(II) nitrate in a series of experiments. The salts react to form a precipitate according to the chemical equation 2 Na3PO4(aq) 3 Mn(NO3)2(aq)Mn3(PO4)2(s) 6 NaNO3(aq) In each experiment, the precipitate was collected, dried, and weighed Exp 1 Exp 2 Exp 3 Exp 4 Exp 5 Exp 6 Volume of manganese) 487.6 m nitrate Mass of sodium phosphate g Mass of precipitate 377.6 ml 323.7 mL 232.4 mL...
QUESTION 5
Consider the formation of solid silver chloride from aqueous
silver and chloride ions.
Given the following table of thermodynamic data at 298 K:
The value of K for the reaction at 25 °C is ________.
a)
1.8 × 104
b)
3.7 × 1010
c)
1.9 × 10-10
d)
810
e)
5.3 × 109
QUESTION 6
Consider the reaction:
NH 3 (g) + HCl (g) → NH 4Cl (s)
Given the following table of thermodynamic data,
...