Question

Which of the following is a linear molecule?

A

B

C

D

Medium

Solution

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Correct option is
D



              In , the oxygen atom is the central atom which is surrounded with two hydrogen atoms and hence will 

             have  two bond pairs. The oxygen atoms will also consist of two lone pairs  in  $$H_2O$.

             Hence the shape of will be bent and the geometry will be tetrahedral. 

 

               

               A molecule consists of two hydrogen atoms and two oxygen atoms. Each oxygen atom in is 

               surrounded  with two other atoms and two lone pairs. Hence the shape around each oxygen atom 

               in will be  bent. 

  

               In , the oxygen atom is the central atom which is surrounded with two deuterium 

               atoms and hence will have two bond pairs. The oxygen atoms will also consist of two lone 

               pairs in . Hence the shape of will be bent and the geometry will be tetrahedral.


                , has below structure. The central nitrogen atom is forming two bonds and two 

                bonds. So it is hybridized. So the shape is linear.. 

Hence, the correct answer is option .


Solve any question of Hydrogen with:-

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