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The c the tollowing compoun 12) what kind of bands do-koh ahm between individual

ID: 1028925 • Letter: T

Question

The c the tollowing compoun 12) what kind of bands do-koh ahm between individual C) hydrogen bonds 13) What is the common name of the ether that is an isomer of 2-propanol? 13) A) 1-propanol B) diethyl ether o ethyl methyl ether D) isopropyl ether E) dimethyl ether 14) Formalin is 14) A) an aqueous solution of formaldehyde. B) another name for formaldehyde. C) a polymer. D) an excellent solvent E) a plastic 15) Thiols are strong-smelling compounds responsible for 15) A) salty odors. B) fruity odors. C) flowery odors. D) sharp odors. E) skunky or bad smelling odors. 16) Thiols have structures similar to alcohols except that they contain A) lithium in place of oxygen in the functional group. B) more than one carbon. C) nitrogen in place of oxygen in the functional group. D) three alcohol groups. E) sulfur in place of oxygen in the functional group. A-3

Explanation / Answer

10. The common name for 2-butanone is methyl ethyl ketone.

CH3-CO-CH2CH3

11. Phenol is a weak acid due to the formation of resonance stabilized phenoxide ion. Carbonyl compounds aldehydes, ketones and alcohols are not weak acids.

C6H5OH --> C6H5O- + H+

12. Alcohols forms hydrogen bonds between individual molecules.

-O-H ......O-H

13. ethyl methyl ether is an isomer of 2-propanol.

CH3-O-C2H5

14. Formalin is an aqueous solution of formaldehyde.

40% aqueous solution of formaldehyde solution is formalin

15. Thiols are strong smelling compounds responsible for skunky or bad smelling odors.

R-SH is thiol. Remember we use LPG cylinders or gas pipelines in home and when gas is leaked we smell skunky odor due to Ethyl Mercaptan C2H5SH it is a thiol.

16. Thiols are similar to alcohols except that they contain sulfur in place of oxygen in the functional group.

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