In the V-T graph shown in the figure. Match the Column I with Column II and mark the correct option from the codes given below.Codes          A   B   C   D

From the given V-T graph, we cannot tell the nature of gas.                                 V=nRTp=nRpTIf p is constant, V-T graph is a straight line. Slope of this line is nRp.Here,   (Slope)A > (Slope)B⇒  nRpA>nRpBSo, either nAnBmay be greater than 1 or pApBmay be less than 1.But it certain that npA > npB.Hence,  A→ t, B → t, C → t, D → t.