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What is aqua regia? Write its reaction p...

What is aqua regia? Write its reaction product with gold and platinum.

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Aqua regia is three parts of concentrated HCl and one part of concentrated `HNO_3`
`2Au+11HCl + 3HNO_3 to 2H [AuCl_4] + 3NOCl + 6H_2O`
`8HCl + 2HNO_3 + Pt to H_2[PtCl_6] + 2NOCl + 4H_2O`
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RESONANCE-P-BLOCK ELEMENTS (HALOGEN & NOBLE GASES)-APSP PART-3
  1. What is aqua regia? Write its reaction product with gold and platinum.

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  2. Which graph correctly describes a trend found in the halogen group ?

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  3. (i)(r)+(p)to NaClO2 + O2 (ii)IO3^(-) + I^(-) overset(H^+)to (q) (i...

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  4. [HXeO4]^(-) + OH^(-) to [X] + [Y] + O2 +H2O The products [X] and [Y...

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  5. Consider following properties of the noble gases. I. They readily fo...

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  6. Which behave like pseudohalide in following

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  7. Cl2 (g) + Ba(OH)2 to X (aq) + BaCl2 + H2O ltbgt X+ H2SO4 to Y + BaSO4 ...

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  8. Which of the following on treatment with XeF6gives Xe ?

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  9. Which of the following have melting point less than 298 K

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  10. The halogen acid (X) is

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  11. Select the correct statement

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  12. Which of the following are Pseudo halid

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  13. Which of the following can be obtained by hydrolysis of XeF6

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  14. What is the sum of group number and period number (according to IUPAC ...

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  15. How many of the following compounds from HCl on hydrolysis as one of t...

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  16. NH4ClO4 + NHO3 to (A) + (B) oversetDeltato (C ) (neutral oxide) The ...

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  17. The oxidation state of iodine in compound which is obtained by heating...

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  18. Hydrolysis of compound A , two acids P and Q forms, P is used in etchi...

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  19. The simplest ratio x:y of xenon and fluorine when passes through Ni-tu...

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  20. White crystalline solid (A) reacts with H2 to form a highly associated...

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  21. White crystalline solid (A) reacts with H2 to form a highly associated...

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