The precise formulation of Lucas reagent consists of :

1. conc. HCl and anhydrous ZnCl₂

2. conc. HNO₃ and anhydrous ZnCl₂

3. conc. HCl and hydrous ZnCl₂

4. conc. HNO₃ and hydrous ZnCl₂

The decreasing order of boiling points of \(1^\circ\), \(2^\circ\), and \(3^\circ\) alcohol is-

1. \(1^\circ\)> \(2^\circ\)> \(3^\circ\)                            

2. \(3^\circ\)> \(2^\circ\)> \(1^\circ\)

3. \(2^\circ\)$$ $$> \(1^\circ\)$$ $$> \(3^\circ\)                             

4. None of the above

What mass of isobutylene is obtained from 37 g of tertiary butyl alcohol by heating with 20% H₂SO₄ at 363 K, if the yield is 65%?

1. 16 g

2. 18.2 g

3. 20 g

4. 22 g

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

The solubility of phenol in water is lower. This can be attributed to:

1. Non-polar nature of phenol

2. Acidic nature of -OH group

3. Non-polar hydrocarbon part in phenol

4. None of the above

How many  structural isomers of primary alcohols can be formed with the given molecular formula \(\text{C}_5\text{H}_{11}\text{OH}\)?

In a reaction, 

${\mathrm{CH}}_2={\mathrm{CH}}_2\underset{\mathrm{acid}}{\overset{\mathrm{Hypochlorous}}{\to }}$M$\stackrel{\mathrm{R}}{\to }$   

M=molecules, R=reagent. M and R are 

1. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}$ and NaOH

2. ${\mathrm{CH}}_2\mathrm{Cl}.<mspace\; width="1em"></mspace>{\mathrm{CH}}_2\mathrm{OH}$ and aq. ${\mathrm{NaHCO}}_3$

3. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ and HCl

4.  and heat  ​​​​​​​

$\mathrm{R}-\mathrm{COOH}\to {\mathrm{RCH}}_2\mathrm{OH}$. This reduction cannot be done  by:

1. ${\mathrm{NaBH}}_4$ 

2. Na + alcohol

3. ${\mathrm{LiAlH}}_4$

4. All of the above

Which of the following reaction is used for preparation of glycol industrially?

1.
2.
3.
4.	none of the above