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Lab in Nucleophile Substitution. 1. Why does a solution become cloudy? For examp

ID: 537330 • Letter: L

Question

Lab in Nucleophile Substitution.
1. Why does a solution become cloudy? For example 1-bromobutene mixed with 1% Ethanolic AgNO3 for Sn1 mechanism.
2. Why does a precipitate form? For example 1-bromobutene mixed with 1% Ethanolic AgNO3 for Sn1 mechanism. Lab in Nucleophile Substitution.
1. Why does a solution become cloudy? For example 1-bromobutene mixed with 1% Ethanolic AgNO3 for Sn1 mechanism.
2. Why does a precipitate form? For example 1-bromobutene mixed with 1% Ethanolic AgNO3 for Sn1 mechanism.
1. Why does a solution become cloudy? For example 1-bromobutene mixed with 1% Ethanolic AgNO3 for Sn1 mechanism.
2. Why does a precipitate form? For example 1-bromobutene mixed with 1% Ethanolic AgNO3 for Sn1 mechanism.

Explanation / Answer

1. i think it is 1-bromobutane mixed with 1% Ethanolic AgNO3.

answer: usually alkylhalides (R-X) gives precipitae with AgNO3. due to formation AgX (x = cl , Br, I)

because of that 1-bromobutane mixed with 1% Ethanolic AgNO3. forms AgBr which is very pale cream in color. so that it looks like cloudy.

2. answer:    1-bromobutane mixed with 1% Ethanolic AgNO3 on complete reaction gives AgBr. it is insoluble in water and gets precipitation.