The total number of isomers including stereoisomers for 1-3-dimethyl cyclohexane is-2- cis and trans both optically inactive3- one cis and two optically active trans forms3- one trans and two optically active cis forms4- two cis -optically active- and two trans -optically active-

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Standard XII

Chemistry

Free Radical Halogenation

The total num...

Question

The total number of isomers including stereoisomers for 1,3-dimethyl cyclohexane is:

2, cis and trans both optically inactive

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3, one cis and two optically active trans forms

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3, one trans and two optically active cis forms

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4, two cis (optically active) and two trans (optically active)

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Solution

The correct option is B 3, one cis and two optically active trans forms
The total number of isomers including stereoisomers for 1,3-dimethyl cyclohexane is 3, one cis and two optically active trans forms.

Option B is correct.

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Similar questions

Which of the following statements is correct regarding the chirality (optical isomerism) of the cis and trans isomers of the type $M (a a)_{2} b_{2}$ (M stands for a metal, a and b are achiral ligands and aa is a bidentate ligand) ?

Q. Assertion :Both cis-1,3-dimethyl cyclobutane and trans-1,3-dimethyl cyclobutane are optically inactive. Reason: cis-1,3-Dimethyl cyclobutane has the plane of symmetry, where as trans form has the centre of symmetry.

The following complexex are given:
(1) $t r a n s - [C o (N H_{3})_{4} C l_{2}]^{+}$
(2) $c i s - [C o (N H_{3})_{2} (e n)_{2}]^{3 +}$
(3) $t r a n s - [C o (N H_{3})_{2} (e n)_{2}]^{3 +}$
(4) $[N i C l_{4}]^{2 -}$
(5) $[T i F_{6}]^{2 -}$
(6) $[C o F_{6}]^{3 -}$
Choose the correct code:

Identify the optically active compounds from the following
(a) $[C o (e n)_{3}]^{3 +}$
(b) $t r a n s - [C o (e n)_{2} C l_{2}]^{+}$
(c) $c i s - [C o (e n)_{2} C l_{2}]^{+}$
(d) $[C r (N H_{3})_{5} C l]$

Q. Out of the following two coordination entities which is chiral (optically active)?

A)

c i s - [C r C l_{2} (o x)_{2}]^{3 -}

B)

t r a n s - [C r C l_{2} (o x)_{2}]^{3 -}

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The total number of isomers including stereoisomers for 1,3-dimethyl cyclohexane is:

The correct option is B 3, one cis and two optically active trans formsThe total number of isomers including stereoisomers for 1,3-dimethyl cyclohexane is 3, one cis and two optically active trans forms.Option B is correct.

The correct option is B 3, one cis and two optically active trans forms
The total number of isomers including stereoisomers for 1,3-dimethyl cyclohexane is 3, one cis and two optically active trans forms.

Option B is correct.