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10 questions
Phenols can be prepared from
Cumene
Benzenediazonium chloride
From both Cumene and Diazonium chloride
Cannot be prepared from the above
Phenol can be converted to nitrobenezene by treating Phenol with
Nitration mixture
Nitro compound
From both the above
Cannot be prepared from the above
Phenols undergo
SN1 reaction
SN2 reaction
Electrophilic Aromatic Substitution
None of the above
When phenol is treated with excess of bromine water, it gives which of the following product?
m-bromophenol
o-and p-bromophenol
2,4-dibromophenol
2,4,6-tribromophenol
Phenol is stronger acid than water and itself it is
weakly acidic
weakly basic
alkali
strong acid
Bromine reacts with phenol and decolorize orange color and turns it to which of the colored precipitate?
white precipitate
pink precipitate
blue precipitate
black precipitate
Which of the following name reactions produces salicyldehyde?
Kolbe's reaction
Rosenmund reduction
Williamson's synthesis
Reimer Tiemann reaction
What is the functional group of alcohols?
–NH2
–COOH
–CHO
–OH
–NO2
phenolphthalein is a special test for phenols
true
false
Phenols produce 2,4,6-trinitro phenol using following reagents
Dil HNO3
Con HNO3
Con HNO3 + Con H2SO4
Con H2SO4
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