Assertion (A): The PH of a buffer solution containing equal moles of acetic acid and sodium acetate is 4.8 (pKa of acetic acid is 4.8)Reason (R): The ionic product of water at 250C is l0-14 mol2 .L-2. The correct answer is
Which of the following is not correct regarding the properties of ionic compounds ?
Vicinal dihalide (C2H4Br2) on heating with excess alc.KOH and Zinc dust gives ’y’ and ‘z’ respectively. Both ‘y’ and ’z’ on oxidation with Bayer’s regent gives A and B.A and B respectively are
Which of the following statements is correct
Assertion (A) : K, Rb and Cs form superoxides.Reason (R) ; The stability of the superoxides increase from 'K' to 'Cs' dueto decrease in lattice energy. The correct answer is
For the reaction A(g)⇔B(g)+C(g),Kp at 4000C is 1.5x10-4 and Kp at 6000C is 6x10-3 Then the incorrect statement is
which of the following is not correcr?
Gold number is used to show
Hydrolysis of sucrose with dilute aqueous sulphuric acid yields
The correct match is
Which of the following is not correct