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Write the balanced chemical equations fo...

Write the balanced chemical equations for the following.
(i) Sodium nitrite is produced by absorbing the oxide of nitrogen in aqueous solution of washing soda.
(ii) Nitrogen is obtained in the reaction of aqueous ammonia with potassium permanganata.
(iii) Elemental phosphorus reacts with concentrated `HNO_(3)` to given phosphoric acid.
(iv) Sulphur is precipitated in the reaction of hydrogen sulphide with sodium bisulphite solution.
(v) Carbon dioxide is passed through a suspension of limestone in water.

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IIT-JEE PREVIOUS YEAR (CHEMISTRY)-P BLOCK ELEMENTS-Subjective Question
  1. Write two resonance structures of ozone which satisfy the octet rule.

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  2. Give reason in one or two sentences. "Ammonium chloride is acidic in...

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  3. Write the balanced chemical equations for the following. (i) Sodium...

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  4. Write the balanced chemical equations for the following reactions. a...

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  5. Write two resonance structure of N2 O that satisfy the octet rule.

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  6. Write balanced equation for (i) The preparation of phosphine from Ca...

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  7. Explain the following (i)H3 PO3 is a dibasic acid. (ii) Phosphine ...

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  8. Write the balanced chemical equations for the following. Hypophospho...

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  9. Arrange the following as indicated. CO2,N2 O5, SiO2 and SO3 in the o...

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  10. Give balanced equations for the following : Phosphorous reacts with ...

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  11. "The valency of oxygen is generally two, whereas sulphur shows valency...

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  12. Explain the following in one or two sentences.

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  13. Write balanced equations for the following : (i) Phosphorus is react...

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  14. Complete and balance the following reactions. (i) S + OH^(-) rarr S^...

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  15. Write down the balanced equations for the reaction when calcium phosph...

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  16. Write the resonance structure of nitrous oxide.

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  17. Show with balanced equations what happens when the following are mixed...

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  18. Write the matched set (of three) for each entry in Column A {:(A,B,C...

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  19. Complete and balance the following reactions: i. HNO(3)+HCI rarr N...

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  20. Explain why 'orthophosphoric acid, H3 PO4, is tribasic but phosphorus ...

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