Given below are two statements: Statement I: In the coagulation of a negative sol, the flocculating power of the three given ions is in the order - `` Al ^{3+}> Ba ^{2+}> Na ^{+} `` Statement II : In the coagulation of a positive sol, the flocculating power of the three given salts is in the order - `` NaCl > Na _{2} SO _{4}> Na _{3} PO _{4} `` In the light of the above statements, choose the most appropriate answer from the options given below :
(A)Statement I is incorrect but Statement II is correct.
(B)Both Statement I and Statement II are correct.
(C)Both Statement I and Statement II are incorrect.

(D)Statement I is correct but Statement II is incorrect.