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The p-Block Elements

Short Answer Type

521. Write the balanced equation for complete hydrolysis of XeF₆.

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522. Predict the shape of ClF₃ on the basis of VSEPR theory.

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523. In which one of the two structures, NO₂^– and NO₂^–, the bond angle has a higher value?

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524. Which is a stronger acid in aqueous solutions, HF or HCl?

HCl is a stronger acid in aqueous solution.because F is small in size and thus have stronger hydrogen bond than Cl. acid chracter of HCl is more than HF. it is easily dissociate to give H⁺ion in solution

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525. Why is the bond angle in PH₃ molecule lesser than that in NH₃ molecule?

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526. Why does the reactivity of nitrogen differ from phosphorus?

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527. Why does NH₃ form hydrogen bond but PH₃ does not?

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528. How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.

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529. How is ammonia manufactured industrially?

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530. Illustrate how copper metal can give different products with HNO₃.

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