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Question: Answered & Verified by Expert
Choose the incorrect statements.
Chemistrys Block ElementsJEE Main
Options:
  • A BeCO3 is preserved in an atmosphere of CO2 as it is thermally least stable.
  • B BeF2 forms a complex compound with excess NaF, in which the complex entity containing Be, is a cation.
  • C Beryllium dissolves in an alkali  to form [Be(OH)4]2- ion.
  • D Beryllium exhibits no diagonal relationship with sodium.
Solution:
2746 Upvotes Verified Answer
The correct answer is: BeF2 forms a complex compound with excess NaF, in which the complex entity containing Be, is a cation.
BeF 2 + NaF → Na 2 BeF 4
Complex entity is an anion.

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