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Answered 2013-03-01 07:57:33

If a methyl group is on the first carbon, then you're just adding another carbon onto the longest chain. So if I have propane (3 single-bonded carbons) and I add a methyl group onto the end, I have 4 single bonded carbons in a row - which means I now have butane.

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Butane is a four carbon chain. Methyl Butane is a four carbon chain, with an extra carbon attached (Five carbons total). Keep in mind IUPAC rules state the molecule should be named by the longest carbon chain. In methyl butane, the second or third carbon (It doesn't matter which carbon it gets added to, since both structures are identical) have an extra CH3.


There is no such thing as a lone 'methyl'. A methyl group is a CH3 extending off an organic compounds main carbon chain. They can be created by the Sn2 reaction on iodomethane, or by the reaction of methyl lithium or MeMgCl with a carbon atom that is substituted with a leaving group


Hexane has five total Isomers: - Hexane is a straight chain of six carbon atoms: CH3CH2CH2CH2CH2CH3 - 2-Methylpentane, also called Isohexane, has a five carbon chain with one methyl branch on the second group: -CH3CH(CH3)CH2CH2CH3 -3-Methylpentane has a five Carbon chain with a Methyl branch on the Third group: -CH3CH2CH(CH3)CH2CH3 -2/3-Dimethylbutane has a four carbon chain with one Methyl branch on the both the Second and Third branch: -CH3CH(CH3)CH(CH3)CH3 -2/2-Dimethylbutane, also called Neohexane, has a four carbon chain with two Methyl groups on the Second branch: -CH3C(CH3)2CH2CH3


Yes. The -OH group is attached to Carbon 2 in the chain, which is attached to carbon 1, carbon 3, and the methyl group. This means it is attached to 3 carbons, and is a tertiary carbon. Therefore, the -OH group attached to it means it is a tertiary alcohol.


Isopentane is an isomer of pentane. Pentane, also called n-pentane or normal pentane, is a straight-chain alkane with 5 carbons in a row. Isopentane has 2 methyl groups on the C2 carbon; it is a 4-carbon straight chain alkane with a methyl group on the C2 carbon.


methylethane in effect doesn't exist as it is just a synonym of propane methylethane would be one carbon atom (Methyl) attached to an ethane group, but the only carbon atoms in ethane are at the end of the chain therefore all the methyl part does is make the chain longer so it has three carbon atoms and is now propane.


problem here.... can't form heptene (7 carbon chain) from hexanol (6 carbon chain) without another C-C bond being formed, this can't result from dehydration


The structure for 2-bromo-3-methyl-3-heptanol looks as follows: First draw a heptane chain. Single bond a bromine to the 2nd carbon. single bond a methyl group to the 3 carbon. Single bond a hydoxyl group to the third carbon as well.


It differs on where the double bond is located. The number in front of the butene means what carbon number of the chain the double bond starts on. In 2 methyl 1 butene it is in between the 1 and 2 carbons and in 2 methyl 2 butene it is located between the 2 and 3 carbons on the butane chain.


The 3 in front of the propyne means that the triple bond is between the 3rd and 4th carbon of the longest carbon chain in the molecule. However, you only have 3 carbons in a chain.


There is no such thing. It would be named 2-methyl-2-butanol (see link below)."Butan" is a continuous chain of 4 carbons. Starting from one side, the 3rd carbon will have both a methyl group (-CH3) as well as a hydroxyl group (-OH), hence "butanOL". Since the rules of naming require that the lowest numbers be used, and the methyl and hydroxyl groups are on the second carbon, the correct name is in fact: 2-methyl-2-butanol.


Hexane is a 6 carbon chain. starting at one end, number the carbons 1 - 6. 2-methyl 3-chloro means that the methyl group attaches to carbon 2, and the chlorine attaches to carbon 3. 3-methyl 2-chloro would simply be the other way around. They are two unique and different compounds.


Carbon dioxide is present in the air because plants need carbon dioxide to make food and without carbon dioxide plants would die and eventually the rest of the food chain.


In this molecule you have 2 different carbon chains separated by the functional ether group. The generic formula for an ether is R-O-R. Your first group is a 2 carbon chain called an ethyl and your second group is a 1 carbon called a methyl. So you have a methyl group and ethyl group which must be put together in in alphabetical order ethyl-methyl and then followed by the functional group -ether. Thus your final molecule name is ethyl-methyl-ether. Good luck with the rest of O. Chem!


The answer is in the name. "Pent" means there are 5 carbon atoms in a row. "Methyl" means there is another carbon with three hydrogens attached connected to one of them. "ene" means there is a carbon to carbon double bond somewhere along the chain and the fact it is not numbered also means it is on the end. The "2" means the methyl group is attached to the second carbon atom counting from the end with the double bond.


2-Methylpentane is a branched-chain alkane. It is a structural isomer of hexane composed of a methyl group bonded to the second carbon atom in a pentane chain. The structural formula is C6H14.


it is due to carbon carbon double bond that reduces the number of hydrogen present in the chain and lead to the whole polypeptide chain to kink.


An omega-3 is a type of polyunsaturated fatty acid. Its first double bond is found at the third carbon atom from the methyl end of the carbon chain.


A carboxyl group with a methyl group attached. It can thus also be considered the smallest fatty acid, having only one carbon in its hydrocarbon chain.


It is a straight carbon chain composed of nine carbons with a methyl (-CH3) group attached to the third carbon. CH3-CH2-CHMe-CH2-CH2-CH2-CH2-CH2-CH3


Yes. It has alpha amino group, alpha carboxylic group, a hydrogen and a side chain methyl group all bonded to a central alpha carbon.




There are two structural isomers approved by IUPAC (International Union of Pure and Applied Chemistry) 1.) n-butane (normal butane) is a straight chain 2.) iso-butane (or methyl-propane) is a chain of three with one carbon attached to the middle of the chain


Methanol is an alcohol with one C atom. Methanol is also called methyl alcohol. The suffix -ol means the molecule has an -OH group attached to the carbon chain. The word methyl means the molecule has 1 C atom with 3 hydrogen atoms bonded to it. Alcohols have -OH groups attached to the chain of C atoms. Methyl alcohol …H ….! H-C-O-H ….! …H



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