An alkene “X” on ozonolysis gives mixture of ethanal and pentan 3-one, write the structure and IUPAC name of “X”.

Write the IUPAC name of [PtCl_2(NH_3)_2] .

Write the IUPAC name of- Fe_4[Fe(CN)_6]_3

An aromatic compound (A) on treatment wth aqueous ammonia and heating forms a compound (B) which on heating with Br_2 and KOH froms a compound (c) of molecular formula C_6H_7N . Write the structures and IUPAC names of compounds.

Write the IUPAC name of (CH_3)_2 C = CHCOCH_3

How can you convert an amide into an amine having one carbon less that the starting compound: Give the IUPAC name and structure of the amine obtained by the above method if the amide is 3-chloro butanamide.

An alkylchloride (X) reacts with magnesium metal in presence of dry ether followed by treatment of ethanol gives propane. Write the structure of the alkylchloride (X).

An optically active amide (A)C_5H_(11)NO on acid hydrolysis gives an acid and NH_3 . When (A) is treated with bromide and alkali a compound is obtained which one treatment with nitrous acid gives an optically active alcohol and nitrogen. The alcohol gives positive iodoform test. What is the structure of A and show the reactions involved.

The atomic number of an element X is 20 while the atomic number of an element Y is 24.What is the nature of the bond formed between X and Y?Give the electron-dot structure of the compound formed.

What are alicyclic compound? Give one example with IUPAC name.

Write the IUPAC name of DDT. Write one merit and one demerit of its use.