Question

1. Out of the elements B, C, N and 0, which has the
highest value of ionisation enthalpy?
2. Why are noble gases, in general, chemically inert?
3. What is 'Inert pair' effect?
4. Arrange the following ions in the decreasing order of
their ionic size Nat: Aft: N: F.
5. Which one is the smallest among the following ions ?
Na*, AP. Mg? Si
6. Choose the correct order of electron gain enthalpy
from the following:
(i) F> CI>Br, (ii) F<CI<Br, (iii) F> Cl< Br(iv) F<
CI > Br​

Answer 1

Answer:

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Answer 2

Answer:

2.noble gases are inert (unreactive) because they have filled shell that is they reached a octet

Explanation:

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