Question:medium

Which of the following elements does not form electron-deficient compounds?

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Compare the covalent character and bridging tendency of Li, Na, Be and Al.
Updated On: Jul 3, 2026
  • Li
  • Na
  • Be
  • Al
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The Correct Option is B

Solution and Explanation

Li small size gives covalent character (unique in group 1). Na is larger, fully ionic, no electron-deficient concept applies. Be, Al are classic electron-deficient formers.
\[\boxed{\text{Na}}\]
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