JEE Exam > JEE Questions > 2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Bas...
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2, 4, 6-Trinitrophenol is a/an
- a)Acid dye
- b)Basic dye
- c)Azo dye
- d)Vat dye
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeC...
2, 4, 6-Trinitrophenol, also known as picric acid, is an acid dye. Acid dyes are water-soluble dyes that are applied to fibers such as wool, silk, and nylon. They are called acid dyes because they are typically applied in an acidic solution, which helps the dye to bond to the fiber.
Explanation:
Acid dyes are commonly used for dyeing protein fibers such as wool, silk, and nylon. They are called acid dyes because they contain acidic groups such as sulfonic or carboxylic acid groups that are negatively charged and can bond with positively charged amino groups on the fiber. Acid dyes are typically applied in an acidic solution, which helps the dye to bond to the fiber.
2, 4, 6-Trinitrophenol is an acid dye because it contains nitro groups that are acidic in nature. The nitro groups are negatively charged and can bond with positively charged amino groups on the fiber. Picric acid is typically used to produce yellow shades on wool, silk, and nylon.
In summary, 2, 4, 6-Trinitrophenol is an acid dye that is commonly used to dye protein fibers such as wool, silk, and nylon. It contains acidic groups such as nitro groups that can bond with positively charged amino groups on the fiber.
Explanation:
Acid dyes are commonly used for dyeing protein fibers such as wool, silk, and nylon. They are called acid dyes because they contain acidic groups such as sulfonic or carboxylic acid groups that are negatively charged and can bond with positively charged amino groups on the fiber. Acid dyes are typically applied in an acidic solution, which helps the dye to bond to the fiber.
2, 4, 6-Trinitrophenol is an acid dye because it contains nitro groups that are acidic in nature. The nitro groups are negatively charged and can bond with positively charged amino groups on the fiber. Picric acid is typically used to produce yellow shades on wool, silk, and nylon.
In summary, 2, 4, 6-Trinitrophenol is an acid dye that is commonly used to dye protein fibers such as wool, silk, and nylon. It contains acidic groups such as nitro groups that can bond with positively charged amino groups on the fiber.
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Community Answer
2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeC...
The correct option is 'A' - Acid dye.
Explanation:
2, 4, 6-Trinitrophenol also known as picric acid is an acid dye. Acid dyes are water-soluble dyes that are applied to fibers such as wool, silk, and nylon. These dyes are used to color protein fibers and are not suitable for cellulose fibers like cotton. Acid dyes contain acidic groups such as sulfonic, carboxylic or phenolic groups which give the dye a negative charge. The negative charge of the dye allows it to bond with the positively charged amino groups on the fiber surface, resulting in good color fastness.
Properties of Acid Dyes:
- Acid dyes are applied in an acidic medium (pH 3-5).
- They have good water solubility and are not affected by hard water.
- They have bright and vivid colors.
- They have good light and wash fastness.
- They are not suitable for cellulose fibers.
Uses of Acid Dyes:
- Acid dyes are used to color wool, silk, and nylon.
- They are used in the textile industry to produce a wide range of colors.
- They are used in the food industry to color various food products.
- They are used in the laboratory as pH indicators.
In conclusion, 2, 4, 6-Trinitrophenol (picric acid) is an acid dye that is used to color protein fibers such as wool, silk, and nylon.
Explanation:
2, 4, 6-Trinitrophenol also known as picric acid is an acid dye. Acid dyes are water-soluble dyes that are applied to fibers such as wool, silk, and nylon. These dyes are used to color protein fibers and are not suitable for cellulose fibers like cotton. Acid dyes contain acidic groups such as sulfonic, carboxylic or phenolic groups which give the dye a negative charge. The negative charge of the dye allows it to bond with the positively charged amino groups on the fiber surface, resulting in good color fastness.
Properties of Acid Dyes:
- Acid dyes are applied in an acidic medium (pH 3-5).
- They have good water solubility and are not affected by hard water.
- They have bright and vivid colors.
- They have good light and wash fastness.
- They are not suitable for cellulose fibers.
Uses of Acid Dyes:
- Acid dyes are used to color wool, silk, and nylon.
- They are used in the textile industry to produce a wide range of colors.
- They are used in the food industry to color various food products.
- They are used in the laboratory as pH indicators.
In conclusion, 2, 4, 6-Trinitrophenol (picric acid) is an acid dye that is used to color protein fibers such as wool, silk, and nylon.
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2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeCorrect answer is option 'A'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about 2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeCorrect answer is option 'A'. Can you explain this answer?.
2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeCorrect answer is option 'A'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about 2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 2, 4, 6-Trinitrophenol is a/ana)Acid dyeb)Basic dyec)Azo dyed)Vat dyeCorrect answer is option 'A'. Can you explain this answer?.
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