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Which of the following contains amino group
Options
(a) Basic dyes
(b) Acid dyes
(c) Vat dyes
(d) Mordant dyes
Correct Answer:
Basic dyes
Explanation:
These dye are basic due to the presence of -NH₂ group. These are the salts of colour bases with HCl or ZnCl₂. These can dye animal fibres directly and vegetable fibres after these have been mordanted with tannin.
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Topics: Chemistry in Everyday Life
(71)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 5 mL of N HCl, 20 mL of N/2 H₂SO₄ and 30 mL of N/3 HNO₃ are mixed together
- Which of the following is correct option for free expansion of an ideal gas
- Solubility of MX₂ – type electrolytes is 0.5 ˣ 10⁻⁴ mol/L.,
- Nitrobenzene gives N-phenylhydroxylamine by
- The standard emf for the cell reaction, 2Cu⁺(aq) → Cu(s) + Cu²⁺(aq)
Topics: Chemistry in Everyday Life (71)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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