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(a) Thionyl chloride can be synthesised ...

(a) Thionyl chloride can be synthesised by chlorinating `SO_(2)` using `PCI_(5)`. Thionyl chloride is used to prepare anhydrous ferric chloride startinh from its hexahydrated salt. Alternatively, from anhydrous ferric chloride can also be prepared from its hexahydrated salt by treating with 2,2-dimethoxypropane. Discuss all this using balanced chemical equations.
(b) Reaction of phosphoric acid with `Ca_(3)(PO_(4))_(2)` yields a fertiliser "triple superphosphate" represent the same through balanced chemical equation.

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Reaction of phosphoric acid with Ca_5(PO_4)_3 F yields a fertiliser 'triple superphosphate'. Represent the same through balanced chemical equations.

Reaction of hydrated ferric chloride (FeCl_(3).6H_(2)O) with thionyl chloride gives anhydrous ferric chloride with evolution of hydrochloric acid (HCl) and sulphur dioxide (SO_(2)) gases. The number of sulphur dioxide (SO_(2)) molecules involved in the balanced chemical equation is :

How will you prepare the following ? Give chemical equations also. (i) Chlorine from HCl (ii) Phosphoric acid from PCl_(5) (iii) Bleaching powder from Cl_(2)

IIT-JEE PREVIOUS YEAR (CHEMISTRY)-P BLOCK ELEMENTS-Subjective Question
  1. In the following equation : A + 2 B + H2 O rarr C + 2 D A = HNO2, ...

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  2. Complete and balance the following chemical equations. (i) P(4)O(10)...

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  3. (a) Thionyl chloride can be synthesised by chlorinating SO(2) using PC...

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  4. A soluble compound of a poisonous element M, when heated with Zn//H2 S...

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  5. Write balanced equations for the following.

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  6. Draw the structure of P4 O10 and identify the number of single and dou...

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  7. Account for the following : (i)The experimentally determined N-F bon...

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  8. Complete and balance the following reactions. Ca(5) (PO(4))(3)F + H(...

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  9. In the following reaction, identify the compounds A and B PCI(5) +SO...

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  10. Complete and balance the following chemical reactions : Red phosphorus...

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  11. Given reaons in two or three sentences only. Sulphur dioxide is a more...

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  12. Write two resonance structures of ozone which satisfy the octet rule.

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

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

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

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

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

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

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

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

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