Question

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Answer 1

Answer:

a) ionic bond formation

b) Ba(OH)2 + 2NH4Cl ------- 2NH4OH + BaCl2

Explanation:

• since Mg has Low ionisation enthalpy , Mg forms +2 cation
• since Cl has high electron affinity ,it forms -1 anion
• due to electrostatic forces they combines to form MgCl2
• and this bond b/w Mg +2 and 2Cl -1 is ionic bond