Inorganic Chemistry Answers

Thiocyanate (SCN-) has the potential to coordinate metals either via N-atom or S-atom linkage. Predict the coordination linkage (N-atom or S-atom) and geometry for Zn (II) and Cu (I). Can you please explain.

8. Calculate the maximum number of mole of Ba3(PO4)2 when 0.6 mole of BaCl2 is mixed with 0.6
mole of Na3PO4.

16. 2.4 kg of carbon is made to react with 1.35 kg of aluminium to form Al4C3. Calculate the maximun amount (in kg) of aluminium carbide formed

20. Ammonia is manufactured by the reaction of N2 and H2. An equilibrium mixture contains 5.0 g of
each N2, H2 and NH3. Calculate mass of N2 and H2 present initially.

The distance between the oxygen molecule and each of the hydrogen atoms in a water
(H2
O) molecule is 0.96 Å and the angle between the twooxygen-hydrogen bonds is
105°. Treating the atoms as particles, find the centre of mass of the system.

The ability of an element to participate in a chemical reaction is measured in form of its .............

Within the alkali metals atomic size is ...................... 2. Which of these is an sp-hybridized compound. A. C2H2 B. C2H6 C. CH4 D. C2H4.

In which of the following reactions, MgO is not formed :-
(1) Mg + CO2 →
(2) Mg + dil. HNO3 →
(3) Mg + NO→
(4) Mg + B2O3 →

When orthophosphoric acid is heated to 600°C, the product formed is :-
(1) PH3
(2) P2O5
(3) H3PO3
(4) HPO3

Which of the following salt does not give positive chromyl chloride test?
(1) CuCl2
(2) ZnCl2
(3) NH4Cl
(4) HgCl2