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JIPMER 2016
Exam
JIPMER
Year
2016
Subject
Chemistry
Chapter
s Block Elements

JIPMER 2016 · Chemistry · s Block Elements

Beryllium differs in properties from other elements of its own...

Beryllium differs in properties from other elements of its own group but shows resemblance with aluminium because of

Options

  1. Arelatively bigger ionic radius and high polarising power of Be
  2. Brelatively smaller ionic radius and high polarising power of Be
  3. Crelatively bigger ionic radius is the only reason behind this
  4. DNone of the above

Correct answer

B. relatively smaller ionic radius and high polarising power of Be

Step-by-step solution

Due to relatively smaller ionic radius and high polarising power, Be differs in properties from other elements of its own group. Polarising powers of Be2+\mathrm{Be}^{2+} and Al3+\mathrm{Al}^{3+} ions are almost the same, thus they show similarities in their properties.
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