136. Vital force theory was put forwarded by

1. 1. Berzelius

   
   
   

   2. Wholer

   
   
   

   3. Grignard

   
   
   

   4. Kolbe

   
   
   

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   NA

   Correct Option: A

   NA

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137. The scientist who was responsible for the rejection of vital force theory

1. 1. Berzelius

   
   
   

   2. Wohler

   
   
   

   3. Avogadro

   
   
   

   4. Laboisier

   
   
   

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   NA

   Correct Option: B

   NA

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138. The group reagent for the test of alcohols is

1. 1. Ceric ammonium nitrate

   
   
   

   2. Schiff's reagent

   
   
   

   3. Molisch's reagent

   
   
   

   4. Bromine water

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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139. In the complete combustion of C_nH_2n+2, the number of oxygen moles required is

1. 1. n / 2O₂

   
   
   

   2. (n + 1 / 2)O₂

   
   
   

   3. (3n + 1 / 2)O₂

   
   
   

   4. (n + 2 / 2)O₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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140. Acidic hydrogen is present in

1. 1. Ethyne

   
   
   

   2. Ethene

   
   
   

   3. Benzene

   
   
   

   4. Ethane

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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