Which of the following compounds with molecular formula, C₅H₁₀ yields acetone on ozonolysis? 

1. 2-methyl-2-butene

2. 3-methyl-1-butene

3. Cyclopentane

4. 2-methyl-1-butene

Among acetic acid, phenol and n-hexanol which one of the following compound will react with NaHCO₃ solution to give sodium salt and CO₂?                                             

1. Acetic acid

2. n-Hexanol

3. Acetic acid and Phenol

4. Phenol

The compound that does not yield a positive result in the iodoform test is:

1. 2-Pentanone                 

2. Ethanol

3. Ethanal                         

4. 3-Pentanone

Products of the following reaction                                   

  CH₃C$\equiv$C-CH₂CH₃ $\underset{\left(\mathrm{ii}\right) \mathrm{hydrolysis}}{\overset{\left(\mathrm{i}\right) {\mathrm{O}}_3}{\to }}$ ... are

1. CH₃CHO + CH₃CH₂CHO

2. CH₃COOH + CH₃COCH₃

3. CH₃COOH + HOOC-CH₂CH₃

4. CH₃COOH + CO₂

Which alkene on ozonolysis gives CH₃CH₂CHO and CH₃COCH₃?                                          

1. CH₃CH₂CH=C${<}_{{\mathrm{CH}}_3}^{{\mathrm{CH}}_3}$

2. CH₃CH₂CH=CHCH₂CH₃

3. CH₃CH₂CH=CHCH₃

4. ${\mathrm{CH}}_3-\underset{|}{\mathrm{C}}={\mathrm{CHCH}}_3$
${\mathrm{CH}}_3$