1 Consider the first atom of each part of the molecule. An atom with higher atomic number has higher priority. (e.g. I > Cl > C > H)  If the first atom of two groups is the same, consider the second atom(s) in the same way as the first. (e.g. -C(CH3)3 > -CH(CH3)2 > -CH2CH3 > -CH3).
1 You can also use a toilet plunger on your bathroom sink. 2  Fill up the sink with water first, the use the plunger vigorously on the drain just as you would a toilet. 3  This will lift and agitate any blockage in the drain. It will smell a bit like vinegar for about a day. 2  You can also use a toilet plunger on your bathroom sink. 3  Fill up the sink with water first, the use the plunger vigorously on the drain just as you would a toilet.
Put about 1/2 cup of baking soda in the sink and dump a cup of white vinegar into it to work on bubbling the problem out of the drain. After an hour or so run very hot water for several minutes and see if that helps. You can do this in many of the drains to help flush out the line.eport Abuse. If you have got a double sink block one drain of and fill that basin with water. Pour 1/4 cup of Bi-carb soda directly into the other drain followed by 1/2 cup of vinegar, immediately blocked the drain of and let it sit and work for about one hour or over night.