An organic compound containing one or more -OH groups as the only functional group is classified as an - A: aldehyde B: alcohol
2 answers:
<u>Answer:</u> The organic compound containing one or more -OH groups as the only functional group is alcohol.
<u>Explanation:</u>
Functional groups are defined as the specific group of atoms in molecules which are responsible for the characteristic chemical reactions of the molecules.
The functional group given to us is hydroxyl group and the functional formula for this group is -OH.
The compound having hydroxyl groups are named as alcohol.
<u>For Example:</u> Methanol has the chemical formula of
Hence, the organic compound containing one or more -OH groups as the only functional group is alcohol.
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Answer : The resulting concentrations of CV and NaOH are 0.0027 M and 0.025 M respectively.
Explanation :
Step 1 : Find moles of crystal violet and NaOH.
The molarity formula is
Molarity of crystal violet =
The volume of crystal violet solution is 18 mL which is 0.018 L.
Moles of crystal violet =
Moles of crystal violet = 5.4 x 10⁻⁵
Moles of NaOH =
Moles of NaOH = 5.00 x 10⁻⁴
Step 2 : Find total volume of the solution
The total volume of the solution after mixing NaOH and crystal violet is
0.018 L + 0.00200 = 0.020 L
Step 3 : Use molarity formula to find final concentrations
Molarity of crystal violet =
Final concentration of CV = 0.0027 M
Molarity of NaOH=
NaOH is a strong base and dissociates completely as follows.
The mole ratio of NaOH and OH⁻ is 1:1 . Therefore the concentration of OH⁻ is same as that of NaOH.
Concentration of OH⁻ = 0.025 M