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Chemistry

The maximum number of isomers for an alkene with molecular formula C4H8

Note by Divyansh Singhal
3 years, 10 months ago

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Four. They are methyl-propene (or isobutene), cis 2-butene, trans 2-butene and 1-butene (or simply butene).

Guilherme Dela Corte - 3 years, 10 months ago

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Can there be any cyclic isomers for this compound?

Abhimanyu Swami - 3 years, 10 months ago

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Yes, but he specifies what kinds of isomers he wants (alkenes). C4H8 would be a cyclic alkane.

Guilherme Dela Corte - 3 years, 10 months ago

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@Guilherme Dela Corte And those would be cyclobutane and methyl cyclopropane.

Siyu Bu - 3 years, 10 months ago

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@Siyu Bu Yes, but he specifies what kinds of isomers he wants (alkenes).

Guilherme Dela Corte - 3 years, 10 months ago

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@Guilherme Dela Corte Yeah yeah totally agreed with you just was trying to add sth.:-)

Siyu Bu - 3 years, 10 months ago

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@Guilherme Dela Corte however, cycloalkane is an isomer of alkene with same molecular formula. i think we have to consider all types of isomerism.

Razik Ridzuan - 3 years, 10 months ago

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Quite fast at chemistry. Good!!!

Shubham Kumar - 3 years, 10 months ago

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C4H8 have 4 isomers

Shobhit Mishra - 3 years, 10 months ago

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Isn't this a question of NSEJS???

Jitesh Mittal - 3 years, 10 months ago

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Yes,how much you are scoring in NSEJS ?

Divyansh Singhal - 3 years, 10 months ago

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Arent u the one who got state rank 1 in IMO??

Jitesh Mittal - 3 years, 10 months ago

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140 and if this answer ( I have done 4) is correct then 143 and what about you... We will have a common cutoff of Rajasthan...

Jitesh Mittal - 3 years, 10 months ago

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6 including the 2 cyclic isomers

Dharma Teja - 3 years, 2 months ago

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which one ..structural or all?

Akshu Gupta - 3 years, 10 months ago

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but-1-ene, but-2-ene, cyclobutane, methylcyclopropane, cis-2-butene, trans-2-butene

Cody Martin - 3 years, 10 months ago

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He clearly specifies: he only wants the alkenes.

Guilherme Dela Corte - 3 years, 10 months ago

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oh sorry there are 5 isomers then but-1-ene, but-2-ene, 2-methyl propene, cis-2-butene, trans-2-butene,

Cody Martin - 3 years, 10 months ago

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C4H8 have 3 isomer, they are : H2C = CH – CH2– CH3 1-butena H3C - CH = CH– CH3 2-butena H2C = C – CH3 2-metilpropena I CH3

Syarifuddin Hidayatullah - 3 years, 10 months ago

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What about cis/trans isomers of 2-butene? Also I think you've wronged when writing methyl-propene's formula.

Guilherme Dela Corte - 3 years, 10 months ago

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