Which of the following substances does not give iodoform test ?
A. acetaldehyde B. ethyl alcohol C. methyl alcohol D. acetone
Chemistry MCQs
Which of the following compounds will react with Tollens reagent ?
A. CH3-CHO B. CH3-CH-CH3 C. CH3-COOH D. CH3-CO-CH2-CH3
Cannizzaros reaction is not given by__________________?
A. formaldehyde B. acetaldehyde C. benzaldehyde D. trimethyl acetaldehyde
Ketones are comparatively less reactive than aldehdye. It is due to_______________?
A. alkyl groups are electron donating B. steric hindrance C. Both A and B D. none
Which of the following is not a use of formaldehyde ?
A. in silvery mirror B. in making medicine urotropine C. in making throat lozenges D. in making acetic acid
Which of the following is not a use of acetaldehyde ?
A. formation of phenolic resins B. formation of mirror C. antiseptic inhalant D. formation of throat lozenges
Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?
A. Nylon 66 B. urotropine C. Aniline formaldehyde plastic D. Bakelite
Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ?
A. carbonic acid B. ethanol C. acetic acid D. methanoic acid
Oxidation of primary alcohol gives________________?
A. ketone B. Aldehyde C. Alkene then – COOH D. Ester
Ncleophilic addition reactions are catalysed__________________?
A. Acid B. Base C. Both A and B D. None