Question : What is the suffix for the -OH group according to IUPAC?
Option 1: -ols
Option 2: -ene
Option 3: -one
Option 4: -anes
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Correct Answer: -ols
Solution : The correct option is -ols.
The suffix for the -OH group (hydroxyl group), according to IUPAC nomenclature, is -ol. This suffix is used to name organic compounds that contain a hydroxyl group as part of their functional group. For example, ethanol is an organic compound with a hydroxyl group, and its IUPAC name is ethanol because of the -ol suffix.
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Question : Identify the chemical formula of Ammonium Hydroxide.
Option 1: NH4OH
Option 2: NH4O2
Option 3: NH3O
Option 4: NH2OH
Question : Which suffix is used when the -CHO group is attached to a carbon atom of a ring or ring system or a heteroatom?
Option 1: Amide
Option 2: Halide
Option 3: Nitrile
Option 4: Carbaldehyde
Question : Identify a class of compounds that has a functional group –OH.
Option 1: Alcohol
Option 2: Ethane
Option 3: Ketone
Option 4: Aldehyde
Question : In which group are the non-metal elements placed in a vertical column on the right side of the periodic table?
Option 1: Group 1
Option 2: Group 2
Option 3: Group 17
Option 4: Group 3
Question : Which of the following group elements are called chalcogens?
Option 1: Group 16
Option 4: Group 18
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