221. Lindlar's catalyst is

1. 1. Pt is ethanol

   
   
   

   2. Pd + BaSO₄

   
   
   

   3. Ni in ethnol

   
   
   

   4. Na is liquid NH₃

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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222. Urotropine is formed by the action of ammonia on

1. 1. Acetaldehyde

   
   
   

   2. Formaldehyde

   
   
   

   3. Acetone

   
   
   

   4. Phenol

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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223. Parraldehyde is fromed by the polymerisation of

1. 1. CH₃CHO

   
   
   

   2. HCHO

   
   
   

   3. CH₃OH

   
   
   

   4. (CH₃)₂ CO

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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224. An organic compound contains C = 40%, O = 53.5%,and H = 6.5%, The empirical formula of the compound is

1. 1. CH₂O

   
   
   

   2. C₂H₄O₂

   
   
   

   3. C₂H₄O

   
   
   

   4. C₆H₁₂O₆

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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225. Molecular mass of a compound having empirical formula C₂H₅O is 90. The molecular formula of the compound is

1. 1. C₂H₅O

   
   
   

   2. C₄H₁₅O₂

   
   
   

   3. C₆H₁₅O₃

   
   
   

   4. C₃H₆O₃

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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