Chemistry MCQs

Page No. 43

Acetal on acid hydrolysis generates__________________?


aalcohol


bketone


cBoth A and B


dnone of the above


View Answer Both A and B

Ncleophilic addition reactions are catalysed__________________?


aacid


bbase


cBoth A and B


dnone


View Answer Both A and B

Oxidation of primary alcohol gives________________?


aKetone


bAldehyde


cAlkene then – COOH


dEster


View Answer Aldehyde

Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ?


aCarbonic acid


bethanol


cacetic acid


dmethanoic acid


View Answer acetic acid

Which of the following will not give addition reaction with NaHSO3________________?


aHCHO


bCH3CHO


cCH3-CH2-CHO


dnone of the above


View Answer CH3-CH2-CHO

Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?


aNylon 66


burotropine


cAniline formaldehyde plastic


dBakelite


View Answer Bakelite

Which of the following is not a use of acetaldehyde ?


aformation of phenolic resins


bformation of mirror


cantiseptic inhalant


dformation of throat lozenges



Which of the following is not a use of formaldehyde ?


ain silvery mirror


bin making medicine urotropine


cin making throat lozenges


din making acetic acid


View Answer in making acetic acid

Ketones are comparatively less reactive than aldehdye. It is due to_______________?


aalkyl groups are electron donating


bsteric hindrance


cBoth A and B


dnone


View Answer Both A and B

Cannizzaros reaction is not given by__________________?


aformaldehyde


bacetaldehyde


cBenzaldehyde


dtrimethyl acetaldehyde


View Answer acetaldehyde

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