A) \[{{X}_{A}}-{{X}_{B}}=0.208\sqrt{\Delta }\]
B) \[{{X}_{A}}+{{X}_{B}}=0.208\sqrt{\Delta }\]
C) \[{{X}_{A}}-{{X}_{B}}={{\Delta }^{2}}\]
D) \[{{X}_{A}}-{{X}_{B}}=\sqrt{\Delta }\]
Correct Answer: A
Solution :
Pauling scale is based upon the excess bond energies. Pauling equation form determining the electronegativity of an element is: \[{{X}_{A}}-{{X}_{B}}=0.208\sqrt{\Delta }\] where\[{{X}_{A}},{{X}_{B}}=\]electronegativity values of element A and B \[\Delta =\]polarity of A - B bond. Note : - \[{{X}_{A}},{{X}_{B}}=\]electronegativity values of elements A and B \[\Delta =\]represents polarity of\[AB\]bond
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