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Q.

Incorrect statement/s among the following areA) BeH2 cannot be prepared directly from its constituent elements.B) BeF2 cannot be conveniently prepared from its constituent elements.C) BeSO4 is insoluble in water

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a

A only

b

A and B only

c

C only

d

B and C only

answer is C.

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Detailed Solution

A2BeCl2+LiAlH4→2BeH2+LiCl+AlCl3BNH42BeF4→ΔBeF2+2NH3+2HFC In BeSO4, Hydration enthalpy dominates Lattice enthalpy....It is soluble in water ;

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Incorrect statement/s among the following areA) BeH2 cannot be prepared directly from its constituent elements.B) BeF2 cannot be conveniently prepared from its constituent elements.C) BeSO4 is insoluble in water