CHEMISTRY_JEE Advance 2019_S2 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE Advance 2019

Paper-2

Multiple correct answers - Select all that apply

Question

With reference to aqua regia, choose the correct option(s).

Select ALL correct options:

Reaction of gold with aqua regia produces $\mathrm{NO}_2$ in the absence of air

Aqua regia is prepared by mixing conc. HCl and conc. $\mathrm{HNO}_3$ in $3: 1(\mathrm{v} / \mathrm{v})$ ratio

Reaction of gold with aqua regia produces an anion having Au in +3 oxidation state

The yellow colour of aqua regia is due to the presence of NOCl and $\mathrm{Cl}_2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

⚠ Partially correct. Some answers are missing.

Solution

Question Tags

JEE Advance

Chemistry

Easy

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