True of False: Nitrogen cannot form compounds of the type `R_3N =O` while phosphorus can form compounds of the type `R_3P=O`.

The nitrogen containing compound produced in the reaction of HNO_3 with P_4O_10 on

A given nitrogen-containing aromatic compound ‘A’ reacts with Sn/HCl, followed by HNO_2 to give an unstable compound '‘B'. 'B', on treatment with phenol, forms a beautiful coloured compound 'C' with the molecular formula C_12H_10N_2O . The structure of compound 'A' is

A compound Z is formed by the transfer of electrons form a metal X to a non-metal Y. Identify the type of bond formed in the compound. List three general properties of the compounds formed by such type of bonds.

True of False: I_2 cannot liberate Cl_2 from aqueous KCl but it can liberate Cl_2 from KClO_3 .

Write the formula of the compounds formed by : Cr^(3+) and F^-

A mixed oxide of iron and chromium, FeO.Cr_2O_3 is fused with sodium carbonate in the presence of air to form a yellow compound (A). On acidification, the compound (A) forms an orange coloured compound (B) which is a strong oxidising agent. Identify the compounds (A) and (B) .

A mixed oxide of iron and chromium, FeO.Cr_2O_3 is fused with sodium carbonate in the presence of air to form a yellow compound (A). On acidification, the compound (A) forms an orange coloured compound (B) which is a strong oxidising agent. Identify write balanced chemical equations for each step.

Write the electron dot structure for sodium and chlorine atoms. How do these form a chemical bond? Name the type of bond so formed. Why does compound so formed has high melting point?

In a compound, nitrogen atoms make cubic close packed lattice and metal atoms (M) occupy one-third of the tetrahedral voids present. Determine the formula of the compound formed by M and N?