Plz solve itvjgcgjc txictigic

Dear students According to value of i the vapour pressure will be (1) for nacl=2*0.02=0.04 (2) sucrose=1*0.03=0.03 (3) NaCl = 2 * 0.005 = 0.01 (4) sucrose = 1 * 0.005 = 0.005 the solution have least i value have highest vapour pressure so option is 'a'. Regards