1.

Thecorrectorder of IstionizationenthalpyamongfollowingelementsBe, B,C, N, O is

Answer»

`B lt Be lt C lt O N`
` B lt Be lt C lt N lt O`
`Be ltB LTC lt N O`
`Be lt B lt C lt O lt N`

SOLUTION :`Delta_(i) H ` of Be `gt ` B andthat N `gt `O


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