Which of the following statements is (are) incorrect?

0.1 M KCl solution will have the same osmotic pressure as 0.1 M glucose solution

0.1 M KCl solution will have the same boiling point as 0.1 M urea solution

0.1 M glucose and 0.1 M  urea are isotonic 
 

0.1M $MgC{l}_2$ solution will have less relative lowering of vapour pressure than 0.1 M $NaCl$