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

Column I	Column II
(i)${\mathrm{ Na}}_2\mathrm{O}$	(a) Neutral
(ii) $A{l}_2{O}_3$	(b) Basic
(iii) $N_{2}O$	(c) Acidic
(iv) $C{l}_2{O}_7$	(d) Amphoteric

 

Which of the following options is correct?

	(i)	(ii)	(iii)	(iv)
1.	(b)	(a)	(d)	(c)
2.	(c)	(b)	(a)	(d)
3.	(a)	(d)	(b)	(c)
4.	(b)	(d)	(a)	(c)

Which of the following is a paramagnetic compound?

1. ${\mathrm{N}}_2$

2. ${\mathrm{H}}_2$

3. ${\mathrm{Li}}_2$

4. ${\mathrm{O}}_2$

Which of the following is the correct order of dipole moment for the species given?

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. $H_{2}O<N{F}_3<N{H}_3<B{F}_3$

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

Which of the following is not isostructural with SiCl₄?

1. $SC{l}_4$

2. $S{O}_4^{2-}$

3. $P{O}_4^{3-}$

4. $N{H}_4^{+}$

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?