22. Which of the following does not contain at least one pi bond? (A) $\text{H}_2\text{CO}$ (B) $\text{CO}_2$ (C) $\text{C}_2\text{H}_2$ (D) $\text{C}_3\text{H}_8$ (E) All of the above (A-D) contain at least one pi bond

25. Rank the following compounds according to increasing solubility in water.I. $\text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CH}_3$ II. $\text{CH}_3-\text{CH}_2-\text{O}-\text{CH}_2-\text{CH}_3$ III. $\text{CH}_3-\text{CH}_2-\text{OH}$ IV. $\text{CH}_3-\text{OH}$ (A) $\text{I} < \text{III} < \text{IV} < \text{II}$ (B) $\text{I} < \text{II} < \text{IV} < \text{III}$ (C) $\text{III} < \text{IV} < \text{II} < \text{I}$ (D) $\text{I} < \text{II} < \text{III} < \text{IV}$ (E) None of these (A-D) is correct.

22. Which of the following does not contain at least one pi bond?
(A) $\text{H}_2\text{CO}$
(B) $\text{CO}_2$
(C) $\text{C}_2\text{H}_2$
(D) $\text{C}_3\text{H}_8$
(E) All of the above (A-D) contain at least one pi bond

相關試題

相關試卷

22. Which of the following does not contain at least one pi bond?(A) $\text{H}_2\text{CO}$(B) $\text{CO}_2$(C) $\text{C}_2\text{H}_2$(D) $\text{C}_3\text{H}_8$(E) All of the above (A-D) contain at least one pi bond

相關試題

相關試卷

22. Which of the following does not contain at least one pi bond?
(A) $\text{H}_2\text{CO}$
(B) $\text{CO}_2$
(C) $\text{C}_2\text{H}_2$
(D) $\text{C}_3\text{H}_8$
(E) All of the above (A-D) contain at least one pi bond