By heating which of the following, would NO₂ be produced?

1. NaNO₃

2. AgNO₃

3. NH₄NO₃

4. NH₄NO₂

Oxidation of nitrogen among the following reactions is indicated by -
1. \(\mathrm{N}_2 \rightarrow 2 \mathrm{NH}_3 \)
2. \(\mathrm{N}_2 \mathrm{O}_4 \rightarrow 2 \mathrm{NO}_2 \)
3. \(\mathrm{NO}_3{ }^{-} \rightarrow \mathrm{N}_2 \mathrm{O}_5 \)
4. \(\mathrm{NO}_2^{-} \rightarrow \mathrm{NO}_3^{-}\)

Which of the following has been arranged in order of decreasing bond dissociation energy:

1. P-O>Cl-O>S-O

2. P-O>S-O>Cl-O

3. S-O>Cl-O>P-O

4. Cl-O>S-O>P-O

Which set of oxide of nitrogen is paramagnetic in nature?

(1) NO, N₂O

(2) NO₂, NO, N₂O

(3) NO,NO₂

(4) N₂O,NO₂

Correct order of boiling point of group 16 hydrides

(1) H₂O<H₂S<H₂Se<H₂Te

(2) H₂Te<H₂Se<H₂S<H₂O

(3) H₂S<H₂Se<H₂Te<H₂O

(4) H₂O<H₂Te<H₂Se<H₂S

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

Which is correctly given according to other indicated?

1. F₂<Cl₂<Br₂<I₂ (oxidising Power)

2. HI>HBr>HCl>HF (Acidic strength)

3. Cl₂<Br₂<F₂<I₂ (Bond Energy)

4. HF< HI<HCl< HBr (Boiling point)​

Ammonia on reaction with excess of chlorine gives

1. NCl₃ and HCl

2. N₂ and NH₄Cl

3. NCl₃ and NH₄Cl

4. N₂ and HCl