X overset("Ni)underset(H_2)rarrY,Yoverset(450^@C)rarrQ Here X,Y and Q are gaseous hydrocarbons, then X, Y and Q respectively are

X overset("Ni)underset(H_2)rarrY,Yoverset(450^@C)rarrQ Here X,Y and Q

1.	X overset("Ni)underset(H_2)rarrY,Yoverset(450^@C)rarrQ Here X,Y and Q are gaseous hydrocarbons, then X, Y and Q respectively are
Answer» `{:(X,Y,Q),(C_2H_4,C_2H_6,C_2H_4):}` `{:(X,Y,Q),(C_2H_2,C_2H_6,C_2H_4):}` `{:(X,Y,Q),(C_2H_2,C_2H_4,C_2H_6):}` `{:(X,Y,Q),(C_2H_6,C_2H_4,C_2H_2):}` ANSWER :B