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Question: Answered & Verified by Expert
Select the correct order for the given properties–
(I) Thermal Stability: BaSO4>SrSO4>CaSO4>MgSO4
(II) Basic Nature: ZnO>BeO>MgO>CaO
(III) Solubility in water: LiOH>NaOH>KOH>RbOH
(IV) Melting point: NaCl>KCl>RbCl>LiCl
Chemistrys Block ElementsNEET
Options:
  • A I, IV
  • B I, II and IV
  • C II, III
  • D All are correct
Solution:
2556 Upvotes Verified Answer
The correct answer is: I, IV
Basic nature = CaO>MgO>BeO>ZnO
Solubility order = LiOH<NaOH<KOH<RbOH
Melting point order NaCl>KCl>RbCl>LiCl

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