Which of the following is a paramagnetic compound?

1. ${\mathrm{N}}_2$

2. ${\mathrm{H}}_2$

3. ${\mathrm{Li}}_2$

4. ${\mathrm{O}}_2$

Arrange the following species in increasing order of their dipole moments:
NH₃,NF₃,BF₃,H₂O
 

1. $N{H}_3<B{F}_3<N{F}_3<H_{2}O$

2. $B{F}_3<N{F}_3<N{H}_3<H_{2}O$

3. $B{F}_3<N{H}_3<N{F}_3<H_{2}O$

4. $H_{2}O<N{F}_3<N{H}_3<B{F}_3$

The number of hydrogen bonded water molecules(s) associated with \(\mathrm{C u S O_{4} . 5 H_{2} O}\) is:

Match the oxide given in Column I with its property given in Column II:

Which of the following options is correct?

A diatomic molecule, among the following species, that only has $\mathrm{\pi }$ bonds according to the Molecular Orbital Theory (MOT) is:

The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is:

1. 2

2. 3

3. 4

4. 1

Which of the following is not a correct statement?

Which of the following is the most basic oxide?

1. $A{l}_2{O}_3$

2. $S{b}_2{O}_3$

3. $B{i}_2{O}_3$

4. $Se{O}_2$

Which of the following species has a linear shape?

1. $N{O}_2^{-}$

2. $S{O}_2$

3. $N{O}_2^{+}$

4. $O_3$

In which of the following molecules are all the bonds not equal?