261. General formula C_nH_2n-2 represents

1. 1. Alkenes

   
   
   

   2. Alkanes

   
   
   

   3. Alkynes

   
   
   

   4. None

   
   
   

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   NA

   Correct Option: C

   NA

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262. The most reactive hydrocarbon is

1. 1. Ethene

   
   
   

   2. Ethyne

   
   
   

   3. Ethane

   
   
   

   4. Methane

   
   
   

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   NA

   Correct Option: A

   NA

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263. How many chiral carbon atoms present in glucose molecule ?

1. 1. 4

   
   
   

   2. 3

   
   
   

   3. 2

   
   
   

   4. 1

   
   
   

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   NA

   Correct Option: A

   NA

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264. Which of the following is a chiral carbon ?

1. 1. CH₄

   
   
   

   2. CH₃I

   
   
   

   3. CH₂CI

   
   
   

   4. CHIBrCI

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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265. In the hydrogenation of oil

1. 1. Ni acts as a promoter

   
   
   

   2. Cu acts as a catalyst

   
   
   

   3. Tellurium acts as a promoter

   
   
   

   4. Ni acts as a catalyst

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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