Which of the following is not the product of dehydration of  ?

 

1. 

 

2. 

 

3. 

 

4. 

 

Which of the following reaction(s) can be used for the preparation of alkyl halides? 
I. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}+\mathrm{HCl}\stackrel{\mathrm{anh}. {\mathrm{ZnCl}}_2}{\to }$ 
II.${\mathrm{ CH}}_3{\mathrm{CH}}_2\mathrm{OH}+\mathrm{HCl}\to$ 
III.${\left({\mathrm{ CH}}_3\right)}_{3}COH+HCl\to$ 
IV.${\left({\mathrm{ CH}}_3\right)}_{2}CHOH+HCl\stackrel{anh. ZnC{l}_2}{\to }$

1. I, III, and IV

2. I and II

3. Only IV

4. III and IV

In the reaction 
 
the electrophile involved is

1. Dichloromethyl cation $\left(\stackrel{\oplus }{\mathrm{C}}{\mathrm{HCl}}_2\right)$

2. Formyl cation $\left(\stackrel{\oplus }{\mathrm{C}}\mathrm{HO}\right)$

3. Dichloromethyl anion $\left(\stackrel{\oplus }{\mathrm{C}}{\mathrm{HCl}}_2\right)$

4. Dichlorocarbene (:CCl₂)

The heating of phenyl-methyl ethers with HI produces

1. lodobenzene

2. Phenol

3. Benzene

4. Ethyl chlorides

A characteristic group test for phenolic group is:

1. Liebermann's nitroso reaction
2. Coupling with diazonium salt
3. Neutral FeCl3
4. All of the above

Dunstan’s test is used for identification of:

1. Acetone

2. Alcohol

3. Glycerol

4. Carbonyl compound

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