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Acidity of diprotic acids in aqueous sol...

Acidity of diprotic acids in aqueous solutions increases in the order

A

`H_(2)S lt H_(2)Se lt H_(2)Te`

B

`H_(2)Se lt H_(2)S lt H_(2)Te`

C

`H_(2)Te lt H_(2)S lt H_(2)Se`

D

`H_(2)Se lt H_(2) Te ltt H_(2)S`

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A
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RESONANCE ENGLISH-NITROGEN & OXYGEN FAMILY-Part-II National Standard Examination in chemistry
  1. What is the product formed when: Na(2)S(2)O(4) is hydrolysed

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  2. What is the product formed when: Na(2)S(2)O(3) is hydrolysed

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  3. The nitrogen compound that is formed when NH(4)Cl reacts with sodium h...

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  4. The oxide of nitrogen formed when NH(4)NO(3) is heated is

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  5. The nitrogen compound formed when AlN reacts with water is

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  6. The nitrogen compound formed when Mg(3)N(2) reacts with water is

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  7. The nitrogen compound formed when CaCN(2) reacts with steam or hot wat...

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  8. The nitrogen compound formed when (NH(4))(2)SO(4) is heated is

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  9. The chemical formula of 'laughing gas' is

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  10. Phosphine is prepared by the action of

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  11. The reddish -brown gas formed when nitric oxide is oxidized by air is

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  12. In the given reaction PCl(5)+H(2)O to Oxyacid formed is?

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  13. Acidity of diprotic acids in aqueous solutions increases in the order

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  14. Upon long standing, concentration HNO(3)

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  15. The raction that does not produce nitrogen is

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  16. White phosphorous on reaction with NaOH gives PH(3) and

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  17. The following compounds are heated (i) NH(4)Cl (ii) NH(4)NO(2) (iii) (...

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  18. The following compounds are heated (i) KNO(3) (ii) Cu(NO(3))(2) (iii) ...

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  19. Nitrogen exists as diatomic molecule and phosphorus as P(4). Why?

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  20. Which of the following can act as an oxidising agent ?

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