With which of the following AgNO3 makes a precipitate quickly?
And what would be the reason?
1) C6H5Br
2)C6H5-CH2Br
3)(CH3)3-C-Br
4)C6H5-CH2-CHBr-C(triple bond)H
5)C6H5-CH2Br-CH=CH-CH3
I feel like that 1st one is most probably,not the answer as it is not very (reactive)and I feel like 4th one is the answer because it has alpha H.
To determine which of the given compounds forms a precipitate quickly with AgNO3, we need to consider the reactivity and solubility factors.
First, let's consider the reactivity of the compounds. AgNO3 is a silver salt that reacts with compounds containing halogens (in this case bromine). Compounds with more reactive halogens will form a precipitate quickly.
Now, let's analyze the given compounds:
1) C6H5Br: This is bromobenzene. It is not very reactive since it does not have any other functional groups that enhance reactivity. So, it is less likely to form a precipitate quickly with AgNO3.
2) C6H5-CH2Br: This is bromotoluene. Again, it does not have any other functional groups that increase reactivity, so it is less likely to form a precipitate quickly.
3) (CH3)3-C-Br: This is tert-butyl bromide. It has a bulky tert-butyl group which can hinder the reaction, making it less likely to form a precipitate quickly.
4) C6H5-CH2-CHBr-C(triple bond)H: This is phenylacetylene bromide. It has a triple bond, which increases reactivity by providing an alpha hydrogen. It is possible that this compound can form a precipitate quickly with AgNO3.
5) C6H5-CH2Br-CH=CH-CH3: This is bromo-ethyl styrene. It contains a double bond which can increase reactivity, but it does not have a readily available alpha hydrogen like the compound in option 4.
Considering the reasoning above, the compound in option 4, C6H5-CH2-CHBr-C(triple bond)H, is most likely to form a precipitate quickly with AgNO3 due to the presence of an alpha hydrogen.
However, it is important to note that without experimental data, we cannot be certain about the exact reaction rates or the formation of a precipitate. Experimental observations are necessary to confirm the reactivity and the speed at which a precipitate forms.