Hydrolysis of sucrose with dilute aqueous sulphuric acid yields
Which of the following is an endothermic reaction ?
One Faraday of current was passed through the electric cells placed in series containing fused electrolytes with Ag+2,Ni2+,Cr3+ ions. The amount of Ag(at.wt=108), Ni(at.wt=59) and Cr(at.wt=52) deposited will be
Gold number is used to show
Which of the following is not correct
Observe the following statements :I. The physical and chemical properties of elements are periodic functions of their electronic configuration.II. Electronegativity of fluorine is less than the electronegativity of chlorine.III. Electropositive nature decreases from top to bottom in a group.The correct answer is :
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