Which of the following order is wrong?

Which Of The Following Order Of Element Is Wrong Chemistry Question

Which of the following order of element is wrong?

Options

(a) NH₃ < PH₃< AsH₃– Acidic
(b) Li < Be < B < C – First IP
(c) Al₂O₃< MgO < Na₂O < K₂O – Basic
(d) Li⁺< Na⁺< K⁺< Cs⁺ – Ionic radius

Correct Answer:

Li < Be < B < C – First IP

Explanation:

Along the period, I.P. generally increases butnot regularly. Be and B are exceptions. First I.P. increases in moving from left to right in a period, but I.P. of B is lower than Be

Related Questions:

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  2. Which of the following does not have a metal-carbon bond
  3. Which one of the following pairs represents stereoisomerism
  4. In an exothermic reaction(reversible) which of the following has positive value
  5. Which of the following carbonyls will have the strongest C – O bond

Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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