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

1. H₂S₂O₇

2. H₂SO₅

3. H₂S₂O₈

4. H₂S₂O₆

Which is incorrectly given according to the order indicated?

(1)F₂>Cl₂>Br₂>I (Oxidizing power)

(2)HI>HBr>HCl>HF (Acidic Strength)

(3)F₂>Cl₂>Br₂>I₂ (Bond Energy)

(4) HF>HI>HBr>HCl (Boiling point)

The bleaching action of SO₂ is due to its

1. Acidic property

2. Basic property

3. Reducing property

4. Oxidising property

What is the correct order of oxyacids of phosphorous in terms of their acidic strength?

1. H₃PO₂ > H₃PO₃ > H₃PO₄

2. H₃PO₄ > H₃PO₃ > H₃PO₂

3. H₃PO₃ > H₃PO₂ > H₃PO₄

4. H₃PO₂ > H₃PO₄ > H₃PO₃

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

The correct order of boiling points for group 16 hydrides is:

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