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Pollutants and Their Sources and Their Effects

60 Which halo...

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60 Which halogen will disproportionates in water F2,Cl2,Br2,I2 or all

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Q. Order of reactivity towards halogenation is

F_{2} > C l_{2} > B r_{2} > I_{2}

State True or False.

Bond energy of different halogen molecules will lie in the sequence

C l_{2} > B r_{2} > F_{2} > I_{2}

Q. Arrange the halogens

F_{2}, C l_{2}, B r_{2}, I_{2},

in order of their increasing reactivity with alkanes.

Q. Consider the following orders –
(1)

F_{2} > C l_{2} > B r_{2} > I_{2} :

boiling point
(2)

F_{2} > C l_{2} > B r_{2} > I_{2} :

oxidizing nature
(3)

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

H O C l > H C l O_{2} > H C l O_{3} > H C l O_{4} :

Acidic nature
(8)

H O C l > H C l O_{2} > H C l O_{3} > H C l O_{4} :

Oxidizing nature
Then calculate

(x^{2} + y^{2})

x

is correct order and

y

is incorrect order.

Q. Increasing oxidising nature of

I_{2}, {B r}_{2}, {C l}_{2}, F_{2}

I_{2} < {B r}_{2} < {C l}_{2} < F_{2}

.
if true enter 1, else enter 0.

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