Chemistry - Complete s-block Question with Solution | TestHub
ChemistryComplete s-blocks-block IIAMedium2 minQB
ChemistryMediummultiple choice
Which of the following statement(s) is/are INCORRECT about the anhydrous polymeric forms of BeCl2 and BeH2 ?
Options:(select one or more)
Answer:
B, D
Solution:
Both are chains with tetrahedral, sp3 Be, so (A) and (C) are correct statements.
(B) (BeCl2)n has 2c-2e bonds plus Cl→Be coordinate bonds, with no 3c-2e bond: incorrect.
(D) (BeH2)n has 3c-2e bridges and no coordinate bond: incorrect.
Answer: B, D.
Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:s-block IIA
⏱ 2mℹ️ Source: QB
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