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Mg(3)N(2)(s)+H(2)O overset(R.T.)to P dar...

`Mg_(3)N_(2)(s)+H_(2)O overset(R.T.)to P darr+Q uarr`
Excess 'Q' gas does not form coloured complex with:

A

`Ni^(2+)(aq.)`

B

`Zn^(2+)(aq.)`

C

`Cr^(3+)(aq.)`

D

`Cu^(2+)(aq.)`

Text Solution

Verified by Experts

The correct Answer is:
B
`Mg_(3)N_(2)(s)+H_(2)O overset(R.T.)to underset(P)(Mg(OH)_(2)darr)+underset(Q)(NH_(3))uarr`
`underset((3d^(10)4s^(0)))(overset(+II)(Zn)(aq.))+4NH_(3) hArr underset(("colourless complex ion"))([Zn(NH_(3))_(4)]^(2+))`
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VK JAISWAL ENGLISH-TYPES OF REACTIONS-LEVEL 2
  1. Comproportionationn occurs between:

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  2. Colour of CrO(4)^(2-)(aq.) is not changed by

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  3. Mg(3)N(2)(s)+H(2)O overset(R.T.)to P darr+Q uarr Excess 'Q' gas does...

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  4. Which of the following pair of cations can be separated by excess NaOH...

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  5. Consider following reaction: Cl(2)(g)+H(2)O overset(R.T.)to P+Q If...

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  6. Which of the following reagent can dissolves precipitate of HgSdarr

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  7. Which of the following reaction is incorrect?

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  8. Concentrated sodium hydroxiide can separate a mixture of:

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  9. Select correct set of species which can't react with water but react w...

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  10. Fe(Finely powdered)+HCl(dil.)toP+Quarr Compound 'P' does not precipi...

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  11. Which combination gives maximum number of products?

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  12. Cu^(2+)(aq.) does not undergo redox reaction with solution:

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  13. Hydrolysis of which of the following compound liberates acidic gas?

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  14. The non-metal which does not react with water but reacts with alkali?

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  15. A very dilute acidic solution of Cd^(2+)&Ni^(2+) gives only yelllwo pp...

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  16. Thermal decomposition of which of the salt listed below yield a basic ...

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  17. What are formed products, when aqueous solution of CuCl(2) and (NH(4))...

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  18. Which of the following compound does not react with cold and dil. HNO(...

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  19. The incorrect order of solubility in water is:

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  20. The correct order of increasing solubility in water is:

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