1. III, I, II
2. I, II, III
3. II, III, I
4. II, I, III
II, I, III
1. 5hcR / 36
2. 4hcR / 3
3. 3hcR / 4
4. 7hcR / 144
3hcR / 4
1. sp,sp
2. sp3, sp3
3. sp2, sp2
4. sp3, sp2
sp,sp
1. aqueous KF
2. aqueous HF
3. molten KHF2
4. NH4F
molten KHF<sub>2</sub>
1. KNO2, C2H5OH, H2O,∆
2. NaNO2,HCl,00C
3. KCN, H2O,∆
4. AgNO2, C2H5OH, H2O, ∆
AgNO<sub>2</sub>, C<sub>2</sub>H<sub>5</sub>OH, H<sub>2</sub>O, ∆
1. SiO2,Na
2. Fused NaOH ,Si
3. Mg, B2O3
4. Mg ,CO2
Fused NaOH ,Si
1. Ni/H2
2. LiAH4
3. I2/NaOH
4. Zn-Hg/Conc.HCl
Zn-Hg/Conc.HCl
1. -504
2. -142.5
3. -583
4. 504
-583
1. 108F
2. 108/F
3. F/108
4. 1/108F
108/F
1. Low ionisation potential
2. High electron affinity
3. High electro negativity
4. Small atomic size
Low ionisation potential