Consider the following statements regarding compounds which cause global warming ‘X’ is a hydrocarbon, A and B are neutral oxides of Nitrogen ‘C’ is  a blue colored gas and ‘D’ is released when  react with oxygen. Identify the correct statements about X, A, B, C and D          (I) X is detected with help of           (II) ‘X’ is mainly present in natural gas C          (III) In A and B one is diamagnetic and another one is paramagnetic          (IV) ‘C’ can be identified by using liquid element in d-block          (V) D causes acid rain