Q5 of 36 Page 1

Write IUPAC name of the given compound:


IUPAC name of the compound is 4-chlorobenzenesulphonic acid.

Explanation: Chlorine is considered to be at the 4th position on benzene ring. With respect to SO3H, Cl is at para position. Therefore, Cl will be taken at 4 position.


More from this chapter

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27

(a) Give reasons for the following :

(i) Sulphur in vapour state shows paramagnetic behaviour.


(ii) N-N bond is weaker than P-P bond.


(iii) Ozone is thermodynamically less stable than oxygen.


(b) Write the name of gas released when Cu is added to


(i) dilute HNO3 and


(ii) conc. HNO3


OR


(a) (i) Write the disproportionation reaction of H3PO3.


(ii) Draw the structure of XeF4.


(b) Account for the following :


(i) Although Fluorine has less negative electron gain enthalpy yet F2 is strong oxidizing agent.


(ii) Acidic character decreases from N2O3 to Bi2O3 in group 15.


(c) Write a chemical reaction to test sulphur dioxide gas. Write chemical equation involved.


3

Why conductivity of silicon increases on doping with phosphorus?

 8

Write two differences between an ideal solution and a non-ideal solution.

 18

Give reasons for the following:

(i) Transition metals form alloys.


(ii) Mn2O3 is basic, whereas Mn2O7 is acidic.


(iii) Eu2+ is a strong reducing agent.