1.

Which of the rows in the following arrangements is not according to the property mentioned against it ?

Answer»

B lt C lt O lt N The first ionisation ENTHALPY increases.
`CO_2 ltSiO_2 ltSnO_2 ltPbO_2` The STRENGTH as oxidising AGENT increases.
`NH_3 ltPH_3 ltAsH_3 lt SbH_3` Basic strength increases.
`NH_3 lt PH_3 lt AsH_3 lt SbH_3` Basic strength increases.

Answer :D


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