Assertion :The geometrical isomer of the complex [M(NH $_{3}$ ) $_{4}$ Cl $_{2}$ ] are optically inactive. Reason: Both geometrical isomers of the complex [M(NH $_{3}$ ) $_{4}$ Cl $_{2}$ ] possess axis of symmetry.

Both Assertion and Reason are correct and the Reason is the correct explanation of the Assertion

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Both Assertion and Reason are correct but the Reason is not the correct explanation of the Assertion

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Assertion is correct but the Reason is incorrect

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Assertion is incorrect but the Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and the Reason is the correct explanation of the Assertion
The cis and trans-forms of the complex $[M (N H_{3})_{4} C l_{2}]$ are optically inactive. Both
geometrical isomers of the complex $[M (N H_{3})_{4} C l_{2}]$ possess an axis of symmetry.

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Assertion :The geometrical isomer of the complex [M(NH3)4Cl2] are optically inactive. Reason: Both geometrical isomers of the complex [M(NH3)4Cl2] possess axis of symmetry.

The correct option is A Both Assertion and Reason are correct and the Reason is the correct explanation of the AssertionThe cis and trans-forms of the complex [M(NH3)4Cl2] are optically inactive. Bothgeometrical isomers of the complex [M(NH3)4Cl2] possess an axis of symmetry.

Assertion :The geometrical isomer of the complex [M(NH $_{3}$ ) $_{4}$ Cl $_{2}$ ] are optically inactive. Reason: Both geometrical isomers of the complex [M(NH $_{3}$ ) $_{4}$ Cl $_{2}$ ] possess axis of symmetry.