For the element F, Cl, O and N correct o...

For the element F, Cl, O and N correct order of their chemical reactivity in terms of oxidising property is:

`F gt Cl gt O gt N`

`F gt O gt Cl gt N`

`Cl gt F gt O gt N`

`O gt F gt N gt Cl`.

Text Solution

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The correct Answer is:

Oxidising power increases across a period from left to right. Thus, order of oxodising power decreases in the order FgtOgtN. on moving down a group, oxidisng power decreases, So, F is a stronger oxidising agent than Cl. Again, O being more electronegative than Cl, O is a stronger oxidising agent than Cl. therefore, overall decreasing order of oxidising power is FgtOgtClgtN.

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Considering the element B, C, N, F and Si, the correct order of their non-metallic character to

`B gt C gt Si gt N gt F`

`Si gt C gt B gt N gt F`

`F gt N gt C gt B gt Si`

`F gt N gt C gt Si gt B`

The correct increasing order of the reactivity of halides for SN1 reaction is

`CH_3-CH_2-X lt (CH_3)_2 CH-X lt CH_2=CH_2-CH_2-X lt PhCH_2-X`

`(CH_3)_2-CH-X lt CH_3-CH_2-X lt CH_2=CH-CH_2-X lt PhCH_2-X`

`PhCH_2-X lt (CH_3)_2CH-X ltCH_3-CH_2-X lt CH_2=CH-CH_2-X`

`CH=CH-CH_2-X lt Ph-CH_2-X lt (CH_3)_2 CH-X lt CH_3-CH_2-X`

The correct order of atomic radii in group-13 elements is-

B lt Ga lt Al lt In lt Tl

B lt Al lt In lt Ga lt Tl

B lt Ga lt Al lt Tl lt In

B lt Al lt Ga lt In lt Tl