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1. 2-ethyl-3-methyl-4-pentenal

2. 6-ethyl-2-methyl-4-octyn-3-one

3. 5-bromo-5-chloro-2-ethyl-3-hexynal

4. 2-propyl-3-hexenal

5. 5-Iodo-3-hepten-2-ol

Explanation:

To name an organic compound, we do the following:

A. Locate the functional group in compound.

B. Locate the longest continuous carbon chain. This gives the parent name of the compound..

C. Give the functional group the lowest low count i.e starting counting from the side of the functional group.

D. Locate the substituent group and if they are more than one type, name alphabetically and indicate their position.

Now let us answer the above questions.

1a. The functional group is ALKANAL -CHO. Therefore, we must start counting from the functional group. Alkanal are always at the extreme of the compound. The longest chain is carbon 5

b. The substituents are: ethyl at carbon 2, methyl (CH3) at carbon 3, the double bond is at carbon 4 making the parent name to be pentenal

Therefore, the name of the compound is:

2-ethyl-3-methyl-4-pentenal

2a. The functional group is ALKANONE -C=O. The longest chain is carbon 8

b. The substituents are: ethyl at carbon 6 from the side of the functional group, methyl at carbon 2, the triple bond is at carbon 4 and the functional group is at carbon 3. The parent name is octyne. Now let's combine the names of the sub. group and the parent name.

Therefore, the name of the compound is:

6-ethyl-2-methyl-4-octyn-3-one

3a. The functional group is ALKANAL -CHO. Therefore, we must start counting from the functional group. The longest chain is carbon 6.

b. The substituents are: ethyl at carbon 2, triple bond at carbon 3, bromine (bromo) and chlorine (chloro) are both at carbon 5.

The parent name is hexynal. Combining the names of the sub. groups, the name of the compound is:

5-bromo-5-chloro-2-ethyl-3-hexynal

4a. The functional group is ALKANAL -CHO. Therefore, we must start counting from the functional group.

The longest chain is carbon 6.

b. The substituent group attached is propyl at carbon 2. The double bond is at carbon 3. The parent name is hexenal. Combining the name of the sub. group with the parent name, the name of the compound is:

2-propyl-3-hexenal

5a. The functional group is ALKANOL -OH. The longest chain is carbon 7.

b. The substituents attached is iodine (iodo) at carbon 5, the double bond is at carbon 3 and the functional group is at carbon 2. The parent name is heptenol. Combining the name of the sub group and the parent, the name of the compound is:

5-Iodo-3-hepten-2-ol

h let me think

when—without warning—something provokes your anger, you may struggle not to succumb to it. since what typically makes you mad is feeling powerless in the face of what seems unfair, your anger is mostly an attempt at a “quick fix” to right the balance. it’s as though you’re raising a fist in protest, proclaiming that you’re not going to capitulate to such injustice.

there are, however, a multitude of problems related to this immediate, push-back reaction of anger. and probably the key one is that almost never does it resolve the issue that gave rise to it. such reactive anger is probably best understood as self-defeating. as david burns, the author of the seminal self- book feeling good, observes: if realistically, acting on your anger is to make any sense, it needs to meet two criteria—which, in almost every case, is frankly impossible. that is, your anger must:

be directed toward a person who has intentionally (and needlessly) behaved in a hurtful way toward you; and

be beneficial or advantageous to you (i.e., assist you in achieving a desired goal).

i think you’ll agree that only rarely can you claim that your anger is both warranted and , whether to yourself or the relationship.

so let me offer you a two-step alternative to abandoning your better judgment and giving in to the temptation of anger—one that should neutralize your anger in seconds. or, when you’re really angry, in minutes.

but keep in mind that you must really want to execute these steps, be sufficiently motivated to perform them. which means overcoming more unconscious resistance than you might ever have imagined. because there are many immediate “advantages” of anger that can interfere with your resolve, i’ll suggest a few of them that might interfere with your employing this powerful method to rid yourself of counter-productive anger.

explanation: