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3 | P a g e 48) Size of anion is always bigger than parent atom. Explain. 49) Explain sp2 hybridization with suitable example. 50) An orbital cannot accommodate more than two electrons. Justify the statement. 51) Nitrogen is electronegative element, however its electron affinity is virtually zero. Explain? 52) Explain geometry of hydronium ion. 53) Explain the Frenkel defect of ionic crystal.
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