Chemistry, asked by saurabhpatil1465, 10 months ago

. Mg, Mg2+, Al and Al3+ are arranged in decreasing order of size 1 >2>3 >4. Species which are present
at 1 and 4 position respectively are :
(A) AI, Mg2+
(B) Mg, Al3+
(C) Mg2+, Al
(D) Al3+, Mg

Answers

Answered by abhiraiwla1
2

Answer:

B

Explanation:

size decr across the period .

so Mg has largest size ...then Al ...then comes Mg+2 and then Al+3

Answered by sravsprathap2005
1

Answer:

Atomic radii decrease across a period, cations are smaller than their parent atoms. Among isoelectronic ions, the one with the larger positive nuclear charge will have a smaller radius. Hence the largest species is Mg and the smallest one is Al3+ .

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