1. 2.3125 X 10-19 J
2. 3 X 10-19 J
3. 6.02 X 10-19 J
4. 6.62 X 10-34 J
2.3125 X 10<sup>-19</sup> J
1. O2+ , O+ , NO+
2. O3
3. N2 , O2 , CO2, H2O
4. O3 , O2+ , O2
O<sub>2</sub><sup>+</sup> , O<sup>+</sup> , NO<sup>+</sup>
1. 3 σ and three pπ -dπ
2. 3 σ, one pπ - pπ and two pπ - dπ
3. 2 σ and three pπ-dπ
4. 2 σ and two pπ-dπ
3 σ, one pπ - pπ and two pπ - dπ
1. X Y Cl- Cu / HCl
2. X YCl+ CuCl2 / HCl
3. X Y Cl- CuCl2 / H2O
4. X YCl2 Cu2O / HCl
X Y<br> Cl- Cu / HCl
1. H3PO4, H3PO3
2. H3PO5, H4P2O7
3. H3PO3, H3PO2
4. H3PO2 , HPO3
H<sub>3</sub>PO<sub>3</sub>, H<sub>3</sub>PO<sub>2</sub>
1. 12 : 1
2. 2.7 : 1
3. 3.3 : 1
4. 1 : 3.3
3.3 : 1
1. H2SiCl6 , SiO2
2. H2SiO4 ,Si
3. SiO2 , Si
4. H4SiO4 ,SiO2
H<sub>4</sub>SiO<sub>4 ,</sub>SiO<sub>2</sub>
1. 118
2. 112
3. 106.5
4. 53.25
106.5
1. [Al(H2O)4(OH)2]+
2. [Al(H2O)3(OH)3]
3. [Al(H2O)2(OH)4]-
4. [Al(H2O)6](OH)3
[Al(H<sub>2</sub>O)<sub>2</sub>(OH)<sub>4</sub>]<sup>-</sup>
1. 900 cals k-1 mol-1
2. 6.21 x 10-21 J k-1 molecule-1
3. 336.7 J.k-1 molecule-1
4. 374.13 J.k-1 molecule-1
6.21 x 10<sup>-21</sup> J k<sup>-1</sup> molecule<sup>-1</sup>