16. Lemon is sour due to

1. 1. Citric acid

   
   
   

   2. Tararic acid

   
   
   

   3. Oxalic acid

   
   
   

   4. Acetic acid

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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17. Reason for excessive solubility of ethyl alcohol in water is due to

1. 1. Covalent bonding

   
   
   

   2. Ionic bonding

   
   
   

   3. Hydrogen bonding with water

   
   
   

   4. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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18. Adam's catalyst is

1. 1. Platinum metal

   
   
   

   2. Palladium

   
   
   

   3. Nickel metal

   
   
   

   4. PtO₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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19. Chloral is

1. 1. CCI₃CHO

   
   
   

   2. CCI₃CH₃

   
   
   

   3. CCI₃COCH₃

   
   
   

   4. CCI₃CH₂OH

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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20. The compound with the highest boiling point is

1. 1. n - pentane

   
   
   

   2. 2 - methylbutane

   
   
   

   3. n - hexane

   
   
   

   4. 2, 2 - dimethylpropane

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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