The correct order of increasing bond angles in 

• Cl₂O < ClO₂ < ClO₂^-

• ClO₂ <Cl₂O< ClO₂^-

• Cl₂O < ClO₂^- < ClO₂

• Cl₂O < ClO₂^- < ClO₂

1152.

Match (I) substances with List (II) processes employed in the manufacture of the substances and select the correct option.

List I		List II
A	Sulphuric acid	1	Haber’s process
B	Steel	2	Bessemer’s process
C	Sodium	3	Lablanc process
D	Ammonia	4	Contact process

• A	B	C	D
  1	4	2	3

• A	B	C	D
  1	2	3	4

• A	B	C	D
  4	3	2	1

• A	B	C	D
  4	3	2	1

which of the following oxides is not expected to react with sodium hydroxide?

• B₂O₃

• CaO

• SiO₂

• SiO₂

Among the following which is the strongest oxidising agent?

• F₂

• Br₂

• I₂

• I₂

The stability of +1 oxidation state increases in the sequence 

• Al < Ga <In < Tl

• Tl < In <Ga< Al

• In < Tl < Ga < Al

• In < Tl < Ga < Al

Which one of the following arrangement does not give the correct picture of the trends indicated against it?

• F₂ > Cl₂ > Br₂ > I₂ : Oxidising power

• F₂ > Cl₂ > Br₂ > I₂ : Electron gain enthalpy

• F₂ > Cl₂ > Br₂ > I₂ : Bond dissociation energy

• F₂ > Cl₂ > Br₂ > I₂ : Bond dissociation energy

Which one of the following ionic species has the greatest proton affinity to form stable compound? 

• HS^-

• NH₂^-

• F^-

• F^-

Which one of the following anions is present in the chain structure silicates ?

• Si₂O₇^6-

• (Si₂O₅^6-)_n

• (SiO₃^2-)_n

• (SiO₃^2-)_n

For the following:
(i) I^-  (ii) Cl^-   (iii) Br^-

the increasing order of nucleophilicity would be: 

• I^- < Br^- < Cl^-

• Cl^- < Br^- < I^-

• I^- < Cl^- < Br^-

• I^- < Cl^- < Br^-

Which one of the following orders correctly represents the increasing acid strengths of the given acids? 

• HOCl < HOClO < HOClO₂ < HOClO₃

• HOClO < HOCl < HOClO₃ < HOClO₂

• HOClO₂ < HOClO₃ < HOClO < HOCl

• HOClO₂ < HOClO₃ < HOClO < HOCl