List the following bases in order of strength, strongest to weakest. Pb(OH)2, Kb=9.6×10-4 H2NOH, Kb=1.2×10-8 NH4OH,…
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Question “List the following bases in order of strength, strongest to weakest. Pb(OH)2, Kb=9.6×10-4 H2NOH, Kb=1.2×10-8 NH4OH,…”
List the following bases in order of strength, strongest to
weakest.
Pb(OH)2, Kb=9.6×10-4
H2NOH, Kb=1.2×10-8
NH4OH, Kb=1.8×10-3
NH3, Kb=1.8×10-5
CH3NH2, Kb=4.2×10-4
Answer
Ansorers Based on Arrhenius theory, a base is a substance which dissociates i from water to make oheigns. Base dissociation constant (kb) determines the strength of a base. Base strength is determined by the constant kb of base dissociation. Strong bases have a high value for ko, and they completely dissociate to give off ions. NH OH is the strongest base and HanoH the weakest. The order of strength is as follows: – NHA OH (KG = 1:8×103), > Pb(OH),2 (kg = 916X10%)), > CH3NH2 [k2 = 4.2×109], > – NH3 HANOH C kg= 1+ 2×108), Strongest bone y weakest buse
Conclusion
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