741 Which of the following reaction is not shown by ketones ? Chemistry Medium Full question → A reaction with HCN B reaction with NaHSO3 C reaction with 2 4 dinitrophenyl hydrazine D reaction with Fehling solution
742 Which of the following is not an amino acids_____________________? Chemistry Medium Full question → A glumatic acid B lactic acid C aspartic acids D glycine
743 The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________? Chemistry Medium Full question → A esterification B neutralization C hydrolysis D saponification
744 Carboxylic acid on reduction with HI / phosphorous yields_________________? Chemistry Medium Full question → A alkane B alcohols C aldehydes D ketones
745 An acid with unpleasant smell_________________? Chemistry Medium Full question → A formic acid B acetic acid C propionic acid D butyric acid
746 The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________? Chemistry Medium Full question → A proteins and oild B fats and proteins C fats and oils D all above
747 The formula of palmitic acid_________________? Chemistry Medium Full question → A C15H31COOH B C13H27COOH C C17H33COOH D C17H35COOH
748 The organic acid that can be made from ethanol is_________________? Chemistry Medium Full question → A Acetic acid B Formic acid C Butanoic acid D Citric acid
749 Glycine is the name of an amino acid because___________________? Chemistry Medium Full question → A Sweet taste B Bitter taste C Shining appearance D Green colour
750 Which one of following amino acid is neither acidic nor a basic in nature ? Chemistry Medium Full question → A Lysine B Histidine C Proline D Glutamic acid
751 Which one of the following acids is present in lemon juice ? Chemistry Medium Full question → A Citric acid B Benzoic acid C Tartaric acid D Oxalic acid
752 The term internal salt refers to_____________________? Chemistry Medium Full question → A Acidic character of amino acids B Basic character of amino acids C Dipolar character of amino acids D Non-polar structure of amino acids
753 Acidic amino acids have________________? Chemistry Medium Full question → A 2 amino groups and 1 carboxylic group B 1 amino and 1 carboxylic groups C 2 carboxylic groups and 1 amino group D 2 amino and 2 carboxylic groups
754 Which of the following is the strongest acid ? Chemistry Medium Full question → A Water B Formic acid C Acetic acid D Propanoic acid
755 The irritation caused by red ants bite is due to____________________? Chemistry Medium Full question → A Lactic acid B Formic acid C Uric acid D Acetic acid
756 The common name of propane 1 3-dioic is_________________? Chemistry Medium Full question → A Oxalic acid B Aromatic acid C Malonic acid D Fumaric acid
757 Which of the following is an unsaturated carboxylic acid___________________? Chemistry Medium Full question → A malonic acid B oxalic acid C succinic acid D maleic acid
758 Amino acids present in cheese___________________? Chemistry Medium Full question → A lysine B alanine C tyrosine D proline
759 Which of the following has orange flavour__________________? Chemistry Medium Full question → A isobutyl formate B octyl acetate C ethyl butyrate D amyl lactate
760 Which of the following is not an ester_________________? Chemistry Medium Full question → A amyl acetate B sodium butyrate C isobutyle formate D octyl acetate