Substance with the same molecular formula but with different structures are know

Question

Substance with the same molecular formula but with different structures are known as: a) polymers b) esters c) isomers d) isotopes Indicate the total number of isomers in the following compound: C_5H_12 Name the following: a) 1-hexyne b) 2-ethynyl butane c) 2-ethyl-3-butyne d) 3-methyl-1-pentyne e) 3-methyl-4-pentyne Name the following: a) 2-chloro-3 chloro-cis-2-butene b) 2,3 dichloro-cis-2-butene c) 2,3-dichloro-trans-2-butene d) 1-chloro-1-methyl-2-chloro-propene e) 2,3-dichloro-1-methyl-propene Name the following: a) 2,2,3,5-tetramethy-7-propyl-7-t-butyldecane b) 6-propyl-2,6-di-t-butylnonane c) 2,2,5,7,8,8-hexamethyl-3,3-dipropylnonane d) isonanane e) none of these

Explanation / Answer

Ans 11. c. isomers

The compounds with same molecular formula , but different arrangement of atoms in their molecule are called as isomers of each other .

They are mainly of two types ,structural isomers and stereoisomers .

They need not possess the same physical and chemical properties , unless the functional group is the same .

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