131. 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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132. Which one is an organometallic compound ?

1. 1. C₂H₅ONa

   
   
   

   2. C₂H₅SNa

   
   
   

   3. C₂H₅MgI

   
   
   

   4. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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133. Ozone in stratosphere is depleted by

1. 1. C₃F₆

   
   
   

   2. CF₂CI₂

   
   
   

   3. C₇F₁₆

   
   
   

   4. C₆H₆CI₆

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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134. The common name of propanone is

1. 1. Acetone

   
   
   

   2. Demethyl ketone

   
   
   

   3. Ethyl methyl ketone

   
   
   

   4. Diethyl ketone

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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135. Ethanoyl chloride is the IUPAC name of

1. 1. CH₃CH₂CI

   
   
   

   2. CH₃COCI

   
   
   

   3. CCI₃CHO

   
   
   

   4. CH₂CICOOH

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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