Q.

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By Expert Faculty of Sri Chaitanya

a

X2+H2O→  H3O+aq+X−aq+O2gΔG° is negative in case of fluorine and is positive in case of iodine

b

Solid I2 has metallic lustre

c

All halogens undergo disproportionation in presence of conc. NaOH

d

Halogens do not react with N2 directly

answer is A.

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Detailed Solution

F2 doesn’t undergo disproportionation in presence of conc. NaOH
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