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Earn 100

Carbon atoms in C2(CN)2 are:
 

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Important Questions on Chemical Bonding and Molecular Structure

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Which one of the following molecular geometries (i.e., shapes) is not possible for the sp3d2 hybridization?
 
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BF3+F-BF4
What is the hybridisation state of B in BF3 and BF4- :
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Which of the following statements are correct:
(A) The number of sigma bonds in CH2=C=C=CH2 is 7.
(B) All the hydrogen atoms in CH2=C=C=CH2 lie in the same plane.
 
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Among the following the pair in which the two species are not isostructural is: