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.
Shares & Saves. Save. Jupiterimages/Comstock/Getty Images. Using the right clog remover gets a sink back to normal with little effort. When a sink clogs, clearing the drain is the first priority.A clog in the drain basically renders a sink unusable.se approximately a cup of baking soda in a dry drain. Combine with approximately 1/2 cup of vinegar and allow it to foam. Run water down the sink to rinse. This method is nontoxic and earth friendly, making it one of the best options for clog removal. No harmful fumes are emitted, and no physical labor is involved.