Q8 of 37 Page 1

Draw the structures of the following :

(i) H2S2O7


(ii) SeF6

(i)


This is called pyrosulphuric acid or oleum – H2S2O7


(ii)



6 fluorine atoms are attached on xenon and a lone pair of electrons will be present on xenon.


More from this chapter

All 37 →
6

Complete the following reactions :

(i) NH3 + 3Cl2


(ii) XeF6 + 2H2O


OR


What happens when


(i) (NH4)2Cr2O7 is heated?


(ii) H3PO3 is heated?


Write the equations.

 7

Define the following terms: (i) colligative properties (ii) molality

 9

Calculate the degree of dissociation (α) of acetic acid if its molar conductivity (^m) is 39.05 S cm2 mol–1.

Given λ°(H+) = 349.6 S cm2mol–1 and λ°(CH3COO–) = 40.9S cm2 mol–1

 10

Write the equations involved in the following reactions:

(i) Wolff-Kishner reduction


(ii) Etard reaction