JEE Main 20258 Apr, Evening shiftChemistryEasyBiomolecules103× since 2002Valine, H2N−CH(CH(CH3)2)−COOH\mathrm{H_2N{-}CH(CH(CH_3)_2){-}COOH}H2N−CH(CH(CH3)2)−COOH, is placed at pH = 2 to give A and at pH = 10 to give B. Choose the correct option for structures of A and B, respectivelyAOption A. H2N−CH(CH(CH3)2)−COO−\mathrm{H_2N{-}CH(CH(CH_3)_2){-}COO^-}H2N−CH(CH(CH3)2)−COO− and H3N+−CH(CH(CH3)2)−COOH\mathrm{H_3N^+{-}CH(CH(CH_3)_2){-}COOH}H3N+−CH(CH(CH3)2)−COOHBOption B. H2N−CH(CH(CH3)2)−COO−\mathrm{H_2N{-}CH(CH(CH_3)_2){-}COO^-}H2N−CH(CH(CH3)2)−COO− and H3N+−CH(CH(CH3)2)−COO−\mathrm{H_3N^+{-}CH(CH(CH_3)_2){-}COO^-}H3N+−CH(CH(CH3)2)−COO−COption C. H3N+−CH(CH(CH3)2)−COO−\mathrm{H_3N^+{-}CH(CH(CH_3)_2){-}COO^-}H3N+−CH(CH(CH3)2)−COO− and H3N+−CH(CH(CH3)2)−COOH\mathrm{H_3N^+{-}CH(CH(CH_3)_2){-}COOH}H3N+−CH(CH(CH3)2)−COOHDOption D. H3N+−CH(CH(CH3)2)−COOH\mathrm{H_3N^+{-}CH(CH(CH_3)_2){-}COOH}H3N+−CH(CH(CH3)2)−COOH and H2N−CH(CH(CH3)2)−COO−\mathrm{H_2N{-}CH(CH(CH_3)_2){-}COO^-}H2N−CH(CH(CH3)2)−COO−CheckSkip · show solution
