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STEP-(I): Salt 'A' +Zn +dil. H(2)SO(4) r...

STEP-(I): Salt `'A' +Zn +dil. H_(2)SO_(4) rarr 'X" (g)` (Rotten egg's smell)
STEP-(II): 'X" gas `+ (("filter paper moistened"),("with" Pb(OAc)_(2))) rarr 'Y'` (Black colour)
STEP-(III): 'X' (gas) `+H_(2)SO_(3) rarr 'Z'` (white turbidity)
The correct statement about the above experimental obserbations is/are:

A

In step-1,salt 'A' gets reduced to 'X' gas which turms lime water milky.

B

X' gas also turns filter paper moistened with cadmium acetate to yellow colouration

C

Y' is insoluble in water but with `O_(3)` it gets completely oxidised and changes to white colour precipitate

D

In step-III white turbidity is formed due to redox reaction (comproportionation) of 'X' gas and `H_(2)SO_(3)`.

Text Solution

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The correct Answer is:
B, C, D
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GRB PUBLICATION-SALT ANALYSIS-Comprehension
  1. 'X' +AgNO(3) rarr 'Y' (yellowish white ppt) 'Y' is soluble is nitric ...

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  2. STEP-(I): Salt 'A' +Zn +dil. H(2)SO(4) rarr 'X" (g) (Rotten egg's smel...

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  3. STEP-(I): Salt 'A' +Zn +dil. H(2)SO(4) rarr 'X" (g) (Rotten egg's smel...

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  4. STEP-(I): Na(2)CO(3)(aq)overset("excess" SO(2))rarr 'A' overset(Na(2)C...

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  5. STEP-(I): Na(2)CO(3)(aq)overset("excess" SO(2))rarr 'A' overset(Na(2)C...

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  6. D may be:

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  7. The magnetic moment of complex 'C' is:

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  8. The colourless solution of 'D' contains:

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  9. (I) (Na(2)S+I(3)^(-))+ Na(2)SO(3) underset("Boil")rarr Compound [A] +2...

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  10. The compound 'A' is a colourless solid. It gives following tests: Te...

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  11. Observe the following experiment: Which of the following reaction...

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  12. Which of the following statement(s) are correct?

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  13. {:('X'("salt solution")+,AgNO(3)rarr'Y'(ppt.)overset(Na(3)AsO(3))rarr'...

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  14. Correct statement about 'B' is/are:

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  15. Which of the following statement is/are incorrect about of 'Y' and 'Z'...

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  16. (I) [Borax powder] overset("Heated")underset("strongly")rarr ubrace('A...

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  17. {:("Microcosmic salt"overset(Delta)rarr.,underset(("Transparent"))('M'...

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  18. Compound 'B' is:

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  19. Co-ordination number of central metal ion in filtrate (soluble complex...

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  20. Compound 'E' is:

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