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In an alkaline medium, glycine predominantly exists in a
Options
(a) cation
(b) anion
(c) zwitter ion
(d) covalent form
Correct Answer:
anion
Explanation:
In alkaline medium (high pH) amino acids exists as negatively charged particles (carboxyl group donates protons). H₂N – CH₂ – COOH → H₂N – CH₂ – COO⁻.
Related Questions: - 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- In liquid-gas equilibrium,the pressure of vapours above the liquid is constant
- The bond dissociation energies of H₂, Cl₂ and HCl are 104, 58, and 103
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Topics: Biomolecules and Polymers
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- In liquid-gas equilibrium,the pressure of vapours above the liquid is constant
- The bond dissociation energies of H₂, Cl₂ and HCl are 104, 58, and 103
- Hardest compound of boron is
- Aniline is treated with a mixture of sodium nitrite and hypophosphorus acid,
Topics: Biomolecules and Polymers (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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