- 1(current)
Q. No.Identify the incorrect statement regarding the halogens:
1. All form monobasic oxyacids.
1. All form monobasic oxyacids.
2. All are oxidizing agents.
3. All but fluorine show positive oxidation states.
4. Chlorine has the highest electron-gain enthalpy.
3. All but fluorine show positive oxidation states.
4. Chlorine has the highest electron-gain enthalpy.
Subtopic: Â Group 17 - Preparation, Properties & Uses |
Level 4: Below 35%
NEET - 2018
Hints
Choose the pairs of isoelectronic compounds which are isostructural:
1. TeF2, XeF2
2. IBr2-, XeF2
3. IF3, XeF2
4. BeCl2, XeF2
Subtopic: Â Group 17 - Preparation, Properties & Uses |
 63%
Level 2: 60%+
NEET - 2017
Hints
AlF3 is soluble in HF only in presence of KF. It is due to the formation of
(1) K3[AIF3H3]
(2) K3[AIF6]
(3) AlH3
(4) K[AIF3H]
Subtopic: Â Group 17 - Preparation, Properties & Uses |
 81%
Level 1: 80%+
NEET - 2016
Hints
The correct order of the bond dissociation enthalpy of halogen molecules is:
1. Cl2 > Br2 > F2 > l2
2. Br2 > l2 > F2 > Cl2
3. F2 > Cl2 > Br2 > l2
4. l2 > Br2 > Cl2 > F2
1. Cl2 > Br2 > F2 > l2
2. Br2 > l2 > F2 > Cl2
3. F2 > Cl2 > Br2 > l2
4. l2 > Br2 > Cl2 > F2
Subtopic: Â Group 17 - Preparation, Properties & Uses |
 79%
Level 2: 60%+
NEET - 2016
Hints
Links
- 1(current)
Q. No.
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