21. The hybridization of C in CO₂ is

1. 1. sp

   
   
   

   2. sp²

   
   
   

   3. sp³

   
   
   

   4. None of these

   
   
   

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   NA

   Correct Option: A

   NA

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22. The number of o-bond in H₂ molecule is

1. 1. 2

   
   
   

   2. 3

   
   
   

   3. 1

   
   
   

   4. 4

   
   
   

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   NA

   Correct Option: C

   NA

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23. The structure of ethylene is

1. 1. linear

   
   
   

   2. tetrahedral

   
   
   

   3. octahedral

   
   
   

   4. triangular

   
   
   

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   NA

   Correct Option: D

   NA

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24. A bond formed by sharing of electrons between atoms of the elements is called

1. 1. ionic bond

   
   
   

   2. covalent bond

   
   
   

   3. co-ordinate bond

   
   
   

   4. none

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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