Can all the trioses are optically active...

Can all the trioses are optically active ?

Text Solution

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No. The aldotriose, glyceraldehyde is optically active due to presence of an asymmetric carbon. But ketotriose is optically inactive due to absence of asymmetric carbon.

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An organic compound with molecular formula C_5H_5Cl exists in two optically active forms A and B . A on hydrogenation in presence of a catalyst gives an optically inactive compound (C). While B gives an optically active compound D. The structure of A is

An organic compound with molecular formula C_5H_5Cl exists in two optically active forms A and B . A on hydrogenation in presence of a catalyst gives an optically inactive compound (C). While B gives an optically active compound D. Which of the following is the correct IUPAC name of compound D

1-chloro-2-methylpentane

2-chloro-2-methylpentane

1-chloro-3-methylbutane

1-chloro-2-methylbutane

An organic compound with molecular formula C_5H_5Cl exists in two optically active forms A and B . A on hydrogenation in presence of a catalyst gives an optically inactive compound (C). While B gives an optically active compound D. Which of the following is the correct IUPAC name of compound C.

1-chloro-2-methylbutane

2-chloropentane

3-chloropentane

2-chloro-2-methylbutane