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प्रश्न
Match the items of Columns I and II and mark the correct option.
| Column I | Column II |
| (A) \[\ce{H2SO4}\] | (1) Highest electron gain enthalpy |
| (B) \[\ce{CCl3NO2}\] | (2) Chalcogen |
| (C) \[\ce{Cl2}\] | (3) Tear gas |
| (D) Sulphur | (4) Storage batteries |
पर्याय
A - (4), B - (3), C - (1), D - (2)
A - (3), B - (4), C - (1), D - (2)
A - (4), B - (1), C - (2), D - (3)
A - (2), B - (1), C - (3), D - (4)
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उत्तर
A - (4), B - (3), C - (1), D - (2)
Explanation:
| Column I | Column II |
| (A) \[\ce{H2SO4}\] | (4) Storage batteries |
| (B) \[\ce{CCl3NO2}\] | (3) Tear gas |
| (C) \[\ce{Cl2}\] | (1) Highest electron gain enthalpy |
| (D) Sulphur | (2) Chalcogen |
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Reason (R): Ionisation enthalpies of the elements follow the order Nitrogen > Oxygen > Fluorine.
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