Why vinyl halaide shows reluctance to nucleophiic substitution reaction? What product will result when alkyl halide is treated with AgCN solution.

When alkyl halides are treated with alcoholic KOH, the products are

What will form when an alkyl halide is treated with AgCN solution. Arrange the alkyl halide as per increasing SN^(2+) reactivity.

Compound 'A' with molecular formula C_(4)H_(9)Br is treated with aq.KOH solution. The rate of this reaction depends upon the concentration of the compound 'A' only. When another optically active isomer 'B' of this compound was treated with aq. KOH solution, the rate of reaction was found to be dependent on concentration of compound and KOH both. (i) Write down the structural formula of both compounds 'A' and 'B'. (ii) Out of these two compounds, which one will be converted to the product with inverted configuration.

When a chromite ore (A) is fused with sodium carbonate in free excess of air and the product is dissolved in water, yellow solution of a compound (B) is obtained. After treatment of this yellow solution with sulphuric acid, compound (C ) can be crystallised from the solution. When compound (C ) is treated with KCl, orange crystals of compound (D ) crystallise out. Identify (A) to (D) and also explain the reactions.

A neutral compound (A) having C,H and O, on refluxing with HI yields methyl iodide and an alkyl iodide (B), which contains 74.6 per cent iodine. (B) when treated with moist Ag_(2)O produces a prodcut which undergoes the haloform reaction. Characterize (A), what would have been produced if (B) were treated with dry Ag_(2)O ?

What happens when aqueous solution of bromoethane is treated with aqueous caustic soda solution? Write the mechanism of that reaction.