Complete the following chemical equations:

(i) Ca₃P₂ + H₂O -->

(ii) Cu + H₂SO₄(conc.)--> 

Arrange the following in the order of the property indicated by each set:

 
(i) HF, HCl, HBr, HI - increasing bond dissociation enthalpy.

(ii) H₂O, H₂S, H₂Se, H₂Te- increasing acidic character. 

Write the IUPAC name of the complex [Cr(NH₃)₄Cl₂]⁺. What type of isomerism does it exhibit?

In reference to Freundlich adsorption isotherm, write the expression for adsorption of gases on solids in the form of an equation.

15.

Write an important characteristic of lyophilic sols.

Based on the type of particles of dispersed phase, give one example each of associated colloid and multimolecular colloid. 

Draw the structures of the following molecules:

(i) XeOF₄

(ii) H₂SO₄

Structural difference between White P and Red P:

Account for the following:

(i) PCl₅ is more covalent than PCl₃.

(ii) Iron on reaction with HCl forms FeCl₂  and not FeCl₃.

The following data were obtained during the first-order thermal decomposition of SO₂Cl₂ at a constant volume:

SO₂Cl₂(g)--->  SO₂(g) + Cl₂(g)

 Calculate the rate constant. (Given :  log 4 = 0.6021, log 2 = 0.3010)