1. Tardigrade
  2. Question
  3. Chemistry
  4. Which of the following statements regarding properties of halogens are correct? (i) Due to small size electron gain enthalpy of fluorine is less than that of chlorine. (ii) Iodine has same physical state but different colour as compare to other members of the group. (iii) Fluorine shows no positive oxidation state. (iv) In X2(g) + H2O(l) arrow HX (aq) + HOX (aq) (where X2 = Cl or Br)

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Q. Which of the following statements regarding properties of halogens are correct?
(i) Due to small size electron gain enthalpy of fluorine is less than that of chlorine.
(ii) Iodine has same physical state but different colour as compare to other members of the group.
(iii) Fluorine shows no positive oxidation state.
(iv) In $X_2(g) + H_2O(l) \rightarrow HX (aq) + HOX (aq)$
(where $X_2 = Cl$ or $Br)$

The p-Block Elements - Part2

Solution:

Physical state of iodine is different from other halogens as iodine is solid, bromine is a liquid whereas fluorine and chlorine are gases.