Which of the following pairs of the compound is isostructural?

1. TeF₂, XeF₂

2. IBr₂^-, XeF₂

3. IF₃, XeF₂

4. BeCl₂, XeF₂

Which of the following reactions does not exhibit the oxidising behaviour of H₂SO₄?

1. Cu + 2H₂SO₄ → CuSO₄ + SO₂ + 2H₂O

2. 3S + 2H₂SO₄ → 3SO₂ + 2H₂O

3. C + 2H₂SO₄ → CO₂ + 2SO₂ + 2H₂O

4. CaF₂ + H₂SO₄ → CaSO₄ + 2HF

Among the following, which one is a wrong statement?

1. PH₅  and BiCl₅  do not exist

2. pπ - dπ bonds are present in SO₂

3. SeF₄ and CH₄  have same shape

4. \(I_{3}^{+}\) $\mathrm{has} \mathrm{bent} \mathrm{geometry}$

In the structure of ClF₃, the number of lone pairs of electrons on central atom 'Cl' is

1. 1

2. 2

3. 3

4. 4

Match the compounds given in Column I with the hybridization and shape given in Column II and mark the correct option. 
Column I                          Column II 
A) XeF₆                               1) Distorted octahedral 
B) XeO₃                              2) Square planar 
C) XeOF₄                            3) Pyramidal 
D) XeF₄                              4) Square pyramidal

The product obtained as a result of a reaction of nitrogen with CaC₂ is:

1. CaCN         

2. CaCN₃

3. Ca₂CN       

4. CaCN₂