When 100 ml of 1 M NaOH solution is mixed with 10 ml of 10 M H2SO4, the resulting mixture will be

NNaOH=1× 1=1 NNH2SO4=2× 10=20NMeq of NaOH = 1 x 100 = 100Meq of H2SO4 = 20x 10= 200Thus Meq of acid are more and therefore pH < 7, so the resulting mixture will be acidic.