The height of the geostationary satellites above the earth’s surface is approximately 36,000 km.
Anonymous Quiz
77%
True
23%
False
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____________ and Boron are same in case when reacted with concentrated nitric acid.
Anonymous Quiz
25%
Oxygen
39%
Aluminium
17%
Hydrogen
18%
No other metal
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For a satellite executing an elliptical orbit around a planet, its minimum potential energy is at the perigee.
Anonymous Quiz
76%
True
24%
False
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The ionization enthalpy _________ down the group in the family.
Anonymous Quiz
31%
Increases
42%
Decreases
8%
Constant
20%
Is a regular
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🌟Important Increasing Orders
1️⃣ Ionization Energy
(i) Na, Al, Mg, Si
(ii) Li, B, Be, C, O, N, F, Ne, He (Ist I.P.)
(iii) Be, C, B, N, F, O, Ne, He, Li (IInd I.P.)
2️⃣ Electron Affinity
(i) I, Br, F, Cl
(ii) Cu, Ag, Au (EA, of Au is very high = 222 kJ mol–1)
(iii) O, S, F, Cl
(iv) N, P, O, S
3️⃣ Electronegativity
(i) As, P, S, Cl
(ii) I, Br, Cl, F
(iii) C, N, O, F
4️⃣ Oxyacids Of Halogen
1. Hypochlorous acid- HClO
2. Chlorous acid - HClO2
3. Chloric acid - HClO3
4. Perchloric acid - HClO4
5️⃣ Acidic Strength
HClO < HClO2 < HClO3 < HClO4
6️⃣ Oxidising Nature
HClO > HClO2 > HClO3 > HClO4
(i) Na, Al, Mg, Si
(ii) Li, B, Be, C, O, N, F, Ne, He (Ist I.P.)
(iii) Be, C, B, N, F, O, Ne, He, Li (IInd I.P.)
(i) I, Br, F, Cl
(ii) Cu, Ag, Au (EA, of Au is very high = 222 kJ mol–1)
(iii) O, S, F, Cl
(iv) N, P, O, S
(i) As, P, S, Cl
(ii) I, Br, Cl, F
(iii) C, N, O, F
1. Hypochlorous acid- HClO
2. Chlorous acid - HClO2
3. Chloric acid - HClO3
4. Perchloric acid - HClO4
HClO < HClO2 < HClO3 < HClO4
HClO > HClO2 > HClO3 > HClO4
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