Compound among the following with an S-S bond is :

1. H₂S₂O₇

2. H₂SO₅

3. H₂S₂O₈

4. H₂S₂O₆

The bleaching action of SO₂ is due to its

1. Acidic property

2. Basic property

3. Reducing property

4. Oxidising property

Which is not hydrolysed with water?

(1) PCl₃

(2) NF₃

(3) NCl₃

(4) BCl₃

The following solid exists in the form of ions:-

(1) BI₃

(2) BCl₃

(3) BF₃

(4) CaBO₂

Which of the following is not hydrolysed?

(1) CCl₄

(2) SiCl₄

(3) GeCl₄

(4) SnCl₄

Which of the following represents the correct increasing order of boiling points of the Group 16 hydrides?

1. H₂O < H₂S < H₂Se < H₂Te

2. H₂Te < H₂Se < H₂S < H₂O

3. H₂S < H₂Se < H₂Te < H₂O

4. H₂O < H₂Te < H₂Se < H₂S

Ammonia on reaction with excess of chlorine gives

1. NCl₃ and HCl

2. N₂ and NH₄Cl

3. NCl₃ and NH₄Cl

4. N₂ and HCl

White phosphorous reacts with calcium to form a certain compound which on hydrolysis produces

1. PH₃

2. H₃PO₄

3. P₄O₆

4. P₄O₁₀

Which set of oxide of nitrogen is paramagnetic in nature?

(1) NO, N₂O

(2) NO₂, NO, N₂O

(3) NO,NO₂

(4) N₂O,NO₂

Which of the following represents the basicity of the oxyacid formed when PCl₃ undergoes hydrolysis?