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Consider the following statements. Br ...

Consider the following statements. Br I.Extraction of gold and silver involves leaching with `CN^-` . Br II. Cast iron is the purest form of commercial iron. Br III. Copper matte contains `Cu_2S` and FeS. The correct statement(s) is/are

A

I only

B

I & III only

C

II & III only

D

I, II & III

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AAKASH INSTITUTE-TEST 2-EXERCISE
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  2. Which of the following metal carbonyls has longest M-C bond length?

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  3. Consider the following statements. Br I.Extraction of gold and silv...

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  4. Identify the set which contains all coloured complexes.

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  5. According to Werner's theory, the primary valency and secondary valenc...

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  6. Identify the incorrect match regarding refining of the metals.

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  7. As per the spectrochemical series, the ligand having maximum ligand fi...

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  8. The possible number of enantiomeric pair(s) for the complex ion [Co(en...

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  9. The oxide of which of the following metal is reduce by carbon reductio...

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  10. Identify the incorrect IUPAC name among the following coordination com...

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  11. Which of the following is not an organometallic compound?

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  12. HgCI2 reacts with excess of KI to give a red precipitate A which becom...

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  13. In neutral and faintly alkaline solutions, permanganate ion oxidises t...

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  14. The species which cannot be oxidized by O3 is

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  15. In which of the following pairs, the first oxide is amphoteric and sec...

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  16. Identify the incorrect match related to structure of given interhaloge...

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  17. The number of P-O-P linkages present in P4O10 is equal to

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  18. The lanthanoid ion which contains unpaired electrons is

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  19. On reaction with excess ammonia, chlorine gas gives

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  20. During the oxidation of iodine by concentrated nitric acid, the oxidat...

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