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?

Above conversion can be done by:

1. NaBH₄

2. LiAlH₄

3. PCC

4. KMnO₄

Which are not cleaved by HIO₄?
I : glycerol
II : glycol
III: 1, 3-propanediol
IV: methoxy-2-propanol

1. I, II, III, IV

2. I, II

3. II, III

4. III, IV

Which of these is a reducing agent ?
1. CrO₃/H+
2. KMnO₄
3. LiAlH₄
4. O₃