Chemistry MCQs

Page No. 43

Acetal on acid hydrolysis generates__________________?


aalcohol

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bketone

✖


cBoth A and B

✓


dnone of the above

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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

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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

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bCH3CHO

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cCH3-CH2-CHO

✓


dnone of the above

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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

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bformation of mirror

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cantiseptic inhalant

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dformation of throat lozenges

✓



Which of the following is not a use of formaldehyde ?


ain silvery mirror

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bin making medicine urotropine

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cin making throat lozenges

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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

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bsteric hindrance

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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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