Identify the incorrect statement: (A) The SN _(1) mechanism involves formation of a carbocation. (B) Polar aprotic solvents like DMF and DMSO favour SN2reaction. (C) t-butyl chloride gives t-butyl iodide when it reacts with NaI in acetone

Consider the ollowing statement about SN^(1) reaction (i) it is a bimolecular reaction (ii) it proceeds with retention as well as inversion of the configuration. (iii) It involves the fomrationn of an intermediate cabocation (iv) The reaction is carried in the presence of polar aprotic solvents

Consider the following statement: S_(1) : Cu^(2+) ions are reduced to Cu^(+) by potassium iodide and potassium cyanide both, when taken in excess S_(2) : H_(2)S will precipitate the sulphide of all the metals from the solutions of chlorides of Cu,Zn and Cd if the solution is aqueous. S_(3) :The presence of magnesium is confirmed in qualitative analysis by the formation of a white crystal S_(4) :Calomel on reaction with potassium iodide gives red precipitate. and arrange in the order of true/false.

Of the following statements , which are true for S_(N)2 reaction. (a) Tertiar alkyl halides reacts faster than secondary. (b) The absolute configuration of product is opposite to that of the reactant when an optically active substrate is used. (c) The used shows first order kinetics. (d) The rate of the reaction depends markedly on the nucleophilicity of the attacking reagent. (e) The mechanism is one step. (f) Carbocations are intermediate. (g) Rate prop [Alkyl][halides] (h) The rate of the reaction depends on the nature of the leaving group.

Statement -1 : Rate of S_(N)1 reaction is faster than that of S_(N)2 reaction Statement -2 : S_(N)2 reaction is favoured by polar aprotic solvent Statement -3 : S_(N)1 reaction involves racemization

SN reaction is given by these compounds, which have a nuclophilic group and a good leaving EWG . It should be stable after leaving with bonding pair of overline(e)'s and it should have high polarisability. Nucliphilic aliphatic substituion reaction is mainly of two types SN^(-1) and SN^(2). SN^(-1) mechanism is a two step process. Reaction velocity of SN^(-1) depends only on the concentration of the subtrate. It proceeds via the formation of carbocation, optically active substrate gives (o+) and (o-) froms of the product. In most of the cases, the product usually consists of 5-20% inverted and (95-80%) racemised species. The more stable is the carbocation, the greater is the propotion of racemission. In solvolysis reaction, the more nucleophillic is the solvent, the greater is the proportion of inversion. Which of the following gives SN^(1) reaction? Select the correct answer.

SN reaction is given by these compounds, which have a nuclophilic group and a good leaving EWG . It should be stable after leaving with bonding pair of overline(e)'s and it should have high polarisability. Nucliphilic aliphatic substituion reaction is mainly of two types SN^(-1) and SN^(2). SN^(-1) mechanism is a two step process. Reaction velocity of SN^(-1) depends only on the concentration of the subtrate. It proceeds via the formation of carbocation, optically active substrate gives (o+) and (o-) froms of the product. In most of the cases, the product usually consists of 5-20% inverted and (95-80%) racemised species. The more stable is the carbocation, the greater is the propotion of racemission. In solvolysis reaction, the more nucleophillic is the solvent, the greater is the proportion of inversion. Which of the following gives SN^(1) reaction?

SN reaction is given by these compounds, which have a nuclophilic group and a good leaving EWG . It should be stable after leaving with bonding pair of overline(e)'s and it should have high polarisability. Nucliphilic aliphatic substituion reaction is mainly of two types SN^(-1) and SN^(2). SN^(-1) mechanism is a two step process. Reaction velocity of SN^(-1) depends only on the concentration of the subtrate. It proceeds via the formation of carbocation, optically active substrate gives (o+) and (o-) froms of the product. In most of the cases, the product usually consists of 5-20% inverted and (95-80%) racemised species. The more stable is the carbocation, the greater is the propotion of racemission. In solvolysis reaction, the more nucleophillic is the solvent, the greater is the proportion of inversion. Which of the following will give SN reaction?