TS EAMCET Medical 9 May 2019 Shift 1 Paper

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Question : 123 of 160

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Assertion (A): The ionic radius of Mn3+ is less than that of Cr2+.
Reason (R): Mn3+ and Cr+ are isoelectronic.
The correct answer is

Both (A) and (R) are true and (R) is the correct explanation of (A).
(A) is true but (R) is false.
(A) and (R) are true but (R) is not the correct explanation of (A).
(A) is false but (R) is true.

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