Acetal on acid hydrolysis generates__________________?
Acetal on acid hydrolysis generates__________________? A. Alcohol B. KetoneC. Both A & B D. None of the above
Acetal on acid hydrolysis generates__________________? A. Alcohol B. KetoneC. Both A & B D. None of the above
Ncleophilic addition reactions are catalysed__________________? A. Acid B. BaseC. Both A and B D. None
Oxidation of primary alcohol gives________________? A. ketoneB. Aldehyde C. Alkene then – COOH D. Ester
Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ? A. carbonic acid B. ethanolC. acetic acid D. methanoic acid
Which of the following will not give addition reaction with NaHSO3________________? A. HCHO B. CH3CHOC. CH3-CH2-CHO D. None of the above
Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________? A. Nylon 66 B. urotroe C. Aniline formaldehyde plasticD. Bakelite
Which of the following is not a use of acetaldehyde ? A. formation of phenolic resins B. formation of mirror C. antiseptic inhalantD. formation of throat lozenges
Which of the following is not a use of formaldehyde ? A. in silvery mirror B. in making medicine urotroe C. in making throat lozengesD. in making acetic acid
Ketones are comparatively less reactive than aldehdye. It is due to_______________? A. alkyl groups are electron donating B. steric hindranceC. Both A and B D. none
Cannizzaros reaction is not given by__________________? A. formaldehydeB. acetaldehyde C. benzaldehyde D. trimethyl acetaldehyde