76. Chloropicrin is

1. 1. Picric derivative

   
   
   

   2. Nitrochloroform

   
   
   

   3. Nitromethane

   
   
   

   4. Nitroethyl chloride

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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77. Which is the correct formula of bleaching powder ?

1. 1. Ca(OCI)CI

   
   
   

   2. CaO(OCI)

   
   
   

   3. Ca(OCI)₂

   
   
   

   4. Ca(OCI)₂CI

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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78. Which of the following substance is used as antiknock compound ?

1. 1. TEL

   
   
   

   2. Lead terachloride

   
   
   

   3. Lead acetate

   
   
   

   4. C₂H₅PbCI

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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79. Alkynes have the general formula

1. 1. C_nH_2n

   
   
   

   2. C_nH_2n+2

   
   
   

   3. C_nH_2n-4

   
   
   

   4. C_nH_2n-2

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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80. Which of the following compounds has been given an octane number of 100 ?

1. 1. n - Hexane

   
   
   

   2. Iso - octane

   
   
   

   3. Neo - pentane

   
   
   

   4. Neo - octane

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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