Give two reactions that show the acidic nature of phenol. Compare the acidity of phenol with that of ethanol.The acidic nature of phenol can be represented by the following two reactions:
Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names. \((i) CH_3CO(CH_2)_4CH_3 \)\((ii) CH_3CH_2CHBrCH_2CH(CH_3)CHO \)\((iii) CH_3(CH_2)_5CHO \)\((iv) Ph-CH=CH-CHO\)\((v)\)\((vi) PhCOPh\)
You are given benzene,conc.H2SO4 and NaOH.Write the equations for the preparation of phenol using these reagents.
Give the equations of reactions for the preparation of phenol from cumene.
While separating a mixture of ortho and para nitrophenols by steam distillation, name the isomer which will be steam volatile. Give reason.
Give the structures and IUPAC names of monohydric phenols of molecular formula,C7H8O.
What is meant by hydroboration-oxidation reaction?Illustrate it with an example.
Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact.
Name the following compounds according to IUPAC system of nomenclature: \((i) CH_3CH(CH_3)CH_2CH_2CHO \)\((ii) CH_3CH_2COCH(C_2H_5)CH_2CH_2Cl \)\((iii) CH_3CH=CHCHO \)\((iv) CH_3COCH_2COCH_3 \)\((v) CH_3CH(CH_3)CH_2C(CH_3)_2COCH_3 \)\((vi) (CH_3)_3CCH_2COOH \)\((vii) OHCC_6H_4CHO-p\)
Why are vitamin A and vitamin C essential to us ? Give their important sources.
Explain why propanol has a higher boiling point than that of the hydrocarbon, butane.
Draw the structures of all isomeric alcohols of molecular formula C5H12O and give their IUPAC names. (ii)Classify the isomers of alcohols in question 11.3(i)as primary, secondary and tertiary alcohols.