(i) An organic compound (P), `C_5H_10O` reacts with dil. `H_2SO_4` to give (Q) and (R). Both (Q) and (R) give positive iodoform test. The reactivity of organic compound (P) is `10^15` times more than ethylene with respect to dil. `H_2SO_4`
(i) Identify the compounds (P), (Q) and (R).
(ii) Give reason for the extraordinary reactivity of compound (P).

C_(5)H_(10)O overset(H_(3)O^(o+))rarrB+C , (B) and (C) both give +ve iodoform test. Compound (A) is :

An aliphatic unsaturated hydrocarbon (A) when treated with HgSO//H_2SO_4 yields a compound (B) having molecular formula C_(3)H_(6)O . (B) on oxidation with concentrated HNO_3 gives two compounds (C) and (D). Compound (C) when treated with PCl_5 gives compound (E). (E) when reacts with ethanol gives a sweet-smelling liquid (F). Compound (F) is also formed when (C) reacts with ethanol in the presence of concentrated H_2SO_4 . (i) Identify the compound A, B, C, D, E and F. (ii) Give the chemical equation for the reaction of (C) with chlorine in the presence of red phosphorus and name the reaction.

C_(7)H_(10)O reacts with CH_(3)MgBr r to give a compound C_(8)H_(10)O which gives the test with iodoform, than fine out structure of A

An organic compound (A) , C_(4)H_(8)Cl_(2) on hydrolysis forms another compound (B) , C_(4)H_(8)O . If the compound (B) responds positively to iodo form test , then identify (A) and (B).

The vapour density of an organic compound is 23.0. It contains 52.17% C and 13% H. It gives iodoform test. The compound is :

An organic compound (A) (molecular formula C_6H_(12)O_2) was hydrolysed with dil . H_2SO_4 to give carboxylic acid (B) and an alcohol (C). 'C' gives white turbidity immediately when treated with anhydrous ZnCl_2 and conc. HCl . The organic compound (A) is

Which of the following compound gives yellowish white turbidity with dil. H_(2)SO_(4) ?