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  • Match the items of Column I and Column II and mark the correct option.

Match the items of Column I and Column II and mark the correct option.

Column I Column II
(A) Its partial hydrolysis does not change oxidation state of central atom (1) \text {He}
(B) It is used in modern diving apparatus (2) \text {XeF}_{6}
(C) It is used to provide inert atmosphere for filling electrical bulbs (3) \text {XeF}_{4}
(D) Its central atom is in \text {sp}^{3}\text {d}^{2} hybridisation (4) \text {Ar}

(a) A (1)  B(4)  C(2)  D(3)

(b) A (1)  B(2)  C(3)  D(4)

(c) A (2)  B(1)  C(4)  D(3)

(d) A (1)  B(3)  C(2)  D(4)

Answers (1)

(c). (A \rightarrow 2), (B \rightarrow 1), (C \rightarrow 4), (D \rightarrow 3)

  1. Oxidation state of \text {Xe} is unaffected by partial hydrolysis of \text {XeF}_{6}
  2. He is utilized in the modern driving apparatus.
  3. Air is used for filling electrical bulbs to provide inert atmosphere.
  4. Xe has 4 bond pair and 2 lone pair and a hybridisation state of \text {sp}^{3}\text {d}^{2} in \text {XeF}_{4}
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