Which of the following order is wrong? (a) NH3 < PH3 < AsH3 - Acidic (b) Li < Be < B < C - IE1 (c) Al2O3 < MgOO < Na2O < K2O - Basic (d) Li+ < Na+ < K+ < Cs+ - Ionic radius

Correct answer: (b) Li < Be < B < C - IE1 Explanation: The right sequence of IE1 of Li < B < Be < C.

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Which of the following order is wrong? (a) NH3 < PH3 < AsH3 - Acidic

Classification of Elements and Periodicity in Properties

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26/08/2021 12:05 pm

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Deepak Rock

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Which of the following order is wrong?

(a) NH₃ < PH₃ < AsH₃ - Acidic

(b) Li < Be < B < C - IE₁

(d) Li⁺ < Na⁺ < K⁺ < Cs⁺ - Ionic radius

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26/08/2021 12:06 pm

Shivani siva

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Correct answer: (b) Li < Be < B < C - IE₁

Explanation:

The right sequence of IE₁ of Li < B < Be < C.

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