Questions
13th group elements show +1 and +3 oxidation states. 14th group elements show +2 and +4 oxidation states. Correct order about the stability of their oxidation states is
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Correct option is A
In 13th group, stability of +3> +1 …except in Thallium ;In 14th group stability of +4>+2….except in Lead ;Thallium due to inert pair effect is more stable in “+1” state;Tl and Pb show inert pair effect. They are stable in their lower oxidation state;Other than Tl and Pb remaining elements are stable in their group number oxidation state ;Similar Questions
The bond dissociation energy of BF bond in BF3 is 646 kJ mol–1 whereas that of CF in CF4 is 315 kJ mol–1. The correct reason for higher BF bond dissociation energy as compared to that of CF bond is :
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