Assertion (A) : Hydrolysis of an ester follows first order kinetics.Reason (R) : Concentration of water remains nearly constant during the course of the reaction

Consider the following statements,The rate law for the acid catalysed hydrolysis of an ester being given asRate=k[H+][ester]=k′[ester].If the acid concentration is doubled at constant ester concentration1. The second order rate constant, k is doubled.2. The pseudo first order rate constant, k is double.3. The rate of the reaction is doubled.Which of the above statements are correct?1 and 22 and 31 and 31,2 and 3

Hydrolysis of an ester under basic conditions is known as which of the following?Select answer from the options belowReductionA Fischer esterificationA Grignard reactionSaponification

11. Which of the following is not true for a pseudo first-order reaction?a) The reaction follows first order kineticsb) Molecularity of the reaction should be onec) The reactants such as water are present in excess and are assumed to be constant throughoutthe reactiond) Unit of the rate constant is s-1

first order kinetics

Question 16Which of the following must be true if the penicillin-serine reaction results in ester formation as described in the passage? A.The thermodynamic cost of breaking the penicillin-serine ester is greater than the thermodynamic release from the β-lactam formation.B.The thermodynamic release from forming the β-lactam is equal to the thermodynamic cost of forming an ester.C.The thermodynamic cost of breaking the penicillin-serine ester is smaller than the thermodynamic release from the β-lactam formation.D.The thermodynamic release from forming the penicillin lactam is greater than the thermodynamic release from breaking the penicillin-serine ester.