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Which of the following statements are not correct?
A. The electron gain enthalpy of F is more negative than that of Cl.
B. Ionization enthalpy decreases in a group of periodic table.
C. The electro negativity of an atom depends upon the atoms bonded to it.
D. Al₂O₃ and NO are examples of amphoteric oxides.
Choose the most appropriate answer form the options given below:

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A,B and D Only

B and D Only

A,B, C and D

A,C and D Only

answer is B.

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Detailed Solution

a) Electron gain enthalpy of 'cl' is more negative than 'F'
c) Electro negativity of an atom independent on bonded atom.
d) Al₂O₃ amphoteric and NO neutral oxide

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