Which enzyme catalyzes the conversion of glucose to ethanol?

1. Zymase

2. Diastase

3. Maltase

4. Invertase

Denatured spirit is mainly used as a:

(1) good fuel

(2) drug

(3) solvent in preparing varnishes

(4) material in the preparation of oil

The reaction of ethanol with H₂SO₄ does not give:

1. C₂H₄

2. C₂H₅OC₂H₅

3. C₂H₂

4.C₂H₅HSO₄

The products of combustion of an aliphatic thiol (RSH) at 298K are:-

(1) CO₂(l), H₂O(g)andSO₂(g)

(2) CO₂(g), H₂O(g)andSO₂(g)

(3) CO₂(l), H₂O(l)andSO₂(g)

(4) CO₂(g), H₂O(l)andSO₂(l)

Which reagent will convert propionic acid to propanol-1?

(1) KMnO₄

(2) LiAlH₄

(3) Cr₂O₃

(4) MnO₂

A liquid was mixed with ethanol and a drop of concentrated H₂SO₄ was added. A compound with a fruity smell was formed. The liquid was:

(1) HCHO

(2) CH₃COCH₃

(3) CH₃COOH

(4) CH₃OH

The main product of the following reaction is:

C₆H₅CH₂CH(OH)CH(CH₃)₂$\stackrel{\mathrm{Conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\to }$?

(1) 

(2) 

(3) 

(4)  

Carbolic acid is the name used for:

1. Opium 

2. Phenol

3. Chloroform

4. H₂CO₃

When phenol is reacted with chloroform and an alkali like NaOH, the compound formed is salicylaldehyde. If we use pyrene in place of chloroform, the product obtained is:

1. Salicylaldehyde

2. Phenolphthalein

3. Salicylic acid

4. Cyclohexanol

Which represents Reimer-Tiemann reraction ?
(1)

(2)

(3)

(4)