Rectified spirit contains:

1. 75.0 % alcohol                           2. 85.5% alcohol

3. 95.6 % alcohol                           4. 100.0% alcohol

Isopropyl alcohol and n-propyl alcohol are:

1. position isomers                                2. chain isomers

3. functional isomers                              4. none of these

Fenton's reagent is:

1. H₂O + FeSO4                     

2. H₂O₂ + FeSO₄

3. H₂O₂ + ZnSO₄                   

4. NaOH + FeSO₄

Resorcinol and conc. H₂SO₄ in presence of phthalic anhydride produce a compound which is:

1. a dye                             2. an antiseptic

3. an indicator                    4. a detergent

Ethylene oxide when treated with Grignard reagent yields                 

1. secondary alcohol                     2. tertiary alcohol

3. cyclopropyl alcohol                   4. primary alcohol

The general molecular formula, which represents the homologous series of alkanols is     

1. C_nH_2nO₂                          2. C_nH_2nO

3. C_nH_2n+1O                        4. C_nH_2n+2O

Tautomerism is not exhibited by:

The reaction products of C₆H₅-O-CH₃+ HI $\stackrel{\mathrm{A}}{\to }$

1. C₆H₅OH + CH₃l

2. C₆H₅l + CH₃OH

3. C₆H₅CH₃ +HOI

4. C₆H₆ + CH₃Ol

The Strongest acid among the following aromatic compunds is

1. p-chlorophenol

2. p-nitrophenol

3. m-nitrophenol

4. o- nitrophenol

Which of the following react with HBr at faster rate?