The boiling points of thio-ethers are .... than those of ether.

1. lesser                                   

2. equal

3. higher                                   

4. none of these

The most effective reagent used to converts but-2-enal to but-2-enol is-

1. KMnO₄

2. NaBH₄

3. H₂/Pt

4. K₂Cr₂O₇/H₂SO₄

23g of sodium react with CH₃OH to give-

1. 1 mole of O₂                           

2. 1/2 mole of H₂

3. 1 mole of H₂                           

4. None of the above

Phenol and benzoic acid can be distinguished by:

1. Aqueous NaHCO₃                           

2. Aqueous NaNO₃

3. Aqueous NaOH                               

4. Conc. H₂SO₄

Glycerol on oxidation with conc HNO₃ gives:

1. tartronic acid                               

2. mesoxalic acid

3. oxalic acid                                   

4. glyceric acid

By which reaction, ethyl chloride can be converted into diethyl ether?

1. Wurtz synthesis

2. Grignard reaction

3. Perkin's reaction 

4. Williamson's synthesis

Which is an excellent antiseptic?

1. Phenol 

2. Benzyl alcohol

3. Benzaldehyde 

4. Acetic acid

The dehydration of neo-pentanol yields mainly:

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

Which one of the following on oxidation gives a ketone?                   

1. Primary alcohol                      2. Secondary alcohol

3. Tertiary alcohol                      4. All of these

In the following sequence of reactions, the product (C) is: 

CH₃CHO$\underset{\mathrm{Pd}}{\overset{{\mathrm{H}}_2}{\to }}$ (A) $\stackrel{\mathrm{Na}}{\to }$ (B) $\stackrel{{\mathrm{CH}}_3\mathrm{I}}{\to }$  (C)

1. Alcohol.                                 
2. Ether.
3. Alkene.                                 
4. None of the above.