An aqueous solution of potassium hydroxide is standardized by titration with a 0.167 M solution of nitric acid. If 16.6 mL of ba
1 answer:
The molarity of the potassium hydroxide solution is 0.150 mol/L.
Molar attention is a measure of the attention of a chemical species, in particular of a solute in an answer, in phrases of quantity of substance consistent with the unit extent of solution.
Molarity (M) is the amount of a substance in a sure volume of answer. Molarity is defined as the moles of a solute according to the liters of a solution. Molarity is also referred to as the molar attention of a solution.
Molarity is the wide variety of moles of solute consistent with the liter of answer. For example, in case you dissolve desk salt in water, salt is the solute, and water is the solution. One mole of sodium chloride weighs 58.44 grams. in case you dissolve 58.44 grams of NaCl in a single liter of water, you have got a one molar solution, abbreviated as 1M.
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Answer:
D) 4-ethyl-4-methylheptane
Explanation:
The rules for naming of alkanes with substituents.
1. The carbon chain with the maximum number of carbon atoms must be selected as a parent chain.
2.Numbering should be done in such a way that each substituent gets the least number.
3. Substituents whose name comes before the another substituents's name in the English alphabet is written first.
4. Substituents are written first with their location in the chain and the name of the parent chain is done. Numbers are separated from numbers by comma and numbers are separated from letters by using hyphen.
Considering (a) 3,6-dimethylheptane
<u>Violation of Rule - 2 mentioned above</u>
The numbering of the parent chain is not done in a right way. Numbering must be done such that each substituent gets the least number. So, The correct name is 2,5-dimethylheptane
Considering (b) 2-ethyl-3-methylheptane
<u>Violation of Rule - 1 mentioned above.</u>
The carbon chain with the maximum number of carbon atoms must be selected as a parent chain. The parent chain selected is of 7 carbon atoms but the parent chain is of 8 carbon atoms. So, The correct name is 3,4-dimethyloctane
Considering (c) 5-methyl-3-ethylheptane
<u>Violation of Rule - 3 mentioned above.</u>
'e' comes before 'm' . So, ethyl- is written first than methyl- . So, The correct name is 3,6-dimethyloctane
Considering (d) 4-ethyl-4-methylheptane
<u>This is a IUPAC name and following all the rules mentioned above.</u>
