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2 methylbutane structure

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From Wikipedia


Isopentane, C5H12, also called methylbutane or 2-methylbutane, is a branched-chain alkane with five carbon atoms. Isopentane is an extremely volatile and extremely flammable liquid at room temperature and pressure. The normal boiling point is just a few degrees above room temperature and isopentane will readily boil and evaporate away on a warm day. Isopentane is commonly used in conjunction with liquid nitrogen to achieve a liquid bath temperature of -160 °C.

An isopentyl group is a subset of the generic pentyl group. It has the chemical structure -CH2CH2CH(CH3)2.


Isopentane is the name recommended by the International Union of Pure and Applied Chemistry (IUPAC) in its 1993 Recommendations for the Nomenclature of Organic Chemistry. It is one of only four acyclic hydrocarbons to retain its pre-IUPAC name. An isopentyl group is a subset of the generic pentyl group. It has the chemical structure -CH3CH2CH(CH3)2.


Isopentane is one of three structural isomers with the molecular formula C5H12, the others being pentane and neopentane.


Isopentane is one of the ingredients in both Aquafresh® and Sensodyne®.

From Yahoo Answers


Answers:2-methyl butane is CH3CHCH3CH2CH3

Question:IUPAC name please. Thanks

Answers:Yes, one more. 2,2-dimethylpropane


Answers:straight chain presents more surface area and thus the London dispersion forces ared higher


Answers:1 bromobutane - CH2BrCH2CH2CH3 butane - 4 carbon chain, the bromide should be attached to this first carbon same with 2 bromobutane, except the bromide should be attached to the second carbon - CH3CHBrCH2CH3 2 bromo 2 methyl butane whould have not just the bromide but also a methyl group (CH3) attached to it, so CH3C-(Br)-(CH3)-CH2CH3 and 1-bromo-2,2 dimethyl would have two methyls attached to the second carbon - CH3C(CH3)2CH2CH3 i hope that helps!