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With reference to "Aqua regia", consider the following statements:
- It is a mixture of concentrated hydrochloric and nitric acid.
- It can dissolve gold.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
With reference to "Aqua regia", consider the following state...
Explanation:
Aqua regia:
Aqua regia is a highly corrosive mixture of concentrated hydrochloric acid and nitric acid.
Statement 1:
The first statement is correct. Aqua regia is indeed a mixture of concentrated hydrochloric and nitric acid. The name "aqua regia" means "royal water" in Latin, highlighting its ability to dissolve noble metals like gold and platinum.
Statement 2:
The second statement is also correct. Aqua regia is one of the few reagents that can dissolve gold, which is a highly inert metal. When gold is exposed to aqua regia, the nitric acid oxidizes it to gold(III) ions, which are then complexed with chloride ions from the hydrochloric acid to form a soluble gold chloride complex.
Conclusion:
Therefore, both statements are accurate, making option C - "Both 1 and 2" the correct answer. Aqua regia's unique ability to dissolve gold has made it an essential reagent in various metallurgical and analytical processes.
Aqua regia:
Aqua regia is a highly corrosive mixture of concentrated hydrochloric acid and nitric acid.
Statement 1:
The first statement is correct. Aqua regia is indeed a mixture of concentrated hydrochloric and nitric acid. The name "aqua regia" means "royal water" in Latin, highlighting its ability to dissolve noble metals like gold and platinum.
Statement 2:
The second statement is also correct. Aqua regia is one of the few reagents that can dissolve gold, which is a highly inert metal. When gold is exposed to aqua regia, the nitric acid oxidizes it to gold(III) ions, which are then complexed with chloride ions from the hydrochloric acid to form a soluble gold chloride complex.
Conclusion:
Therefore, both statements are accurate, making option C - "Both 1 and 2" the correct answer. Aqua regia's unique ability to dissolve gold has made it an essential reagent in various metallurgical and analytical processes.
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Community Answer
With reference to "Aqua regia", consider the following state...
Aqua regia, (Latin for 'royal water') is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of 3:1. Hence statement 1 is correct.
It can dissolve gold, even though neither of these acids can do so alone. Aqua regia is a highly corrosive, fuming liquid. It is one of the few reagents that are able to dissolve gold and platinum. Hence statement 2 is correct.
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With reference to "Aqua regia", consider the following statements: It is a mixture of concentrated hydrochloric and nitric acid. It can dissolve gold.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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