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In the reacton HCOOH overset(H(2)SO(4))(...

In the reacton `HCOOH overset(H_(2)SO_(4))(rarr)CO+H_(2)O,H_(2)SO_(4)` actss as `a//an`

A

dehydrating agent

B

oxidising agent

C

reducing agent

D

all the above

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The correct Answer is:
A
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In the reaction HCOOH overset (H_2SO_4)to CO+H_2O,H_2SO_4 acts as

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Which of the following statements is // are correct about the following reactions? I. C_(6)H_(12)O_(6)overset(H_(2)SO_(4)(conc))rarr6C+6H_(2)O II. H_(2)SO(dil)+ZnCO_(3)rarrZn^(2+)+CO_(2)+SO_(4)^(2-)+H_(2)O III. H_(2)SO_(4)(dil)+ZnrarrZn^(2+)+H_(2)+SO_(4)^(2-) IV. 5H_(2)SO_(4)(conc)+4ZnrarrH_(2)S+4Zn^(2+)+4SO_(4)^(2-)+4H_(2)O

In the following reaction, H_2 SO_4 acts as HCOOH overset (H_2 SO_4) rarr CO + H_2 O .

(i) K_(4)Fe(CN)_(6)+3H_(2)SO_(4) rarr 2K_(2)SO_(4)+FeSO_(4)+6HCN (ii) 6HCN+12H_(2)O rarr 6HCOOH+6NH_(3) (iii) (a) 6NH_(3)+3H_(2)SO_(4) rarr 3(NH_(4))_(2)SO_(4) (b) 6HCOOH overset(H_(2)SO_(4))(rarr) 6CO+6H_(2)O Above steps of reactions occur in a container starting with one mole of K_(4)[Fe(CN)_(6)] , 5 mole of H_(2)SO_(4) and enough water. Find out the limiting reagent in step (i) and calculate maximum moles of CO gas and (NH_(4))_(2) SO_(4) that can be produced.

H_(4)underline(S_(2))O_(6)+H_(2)O to H_(2)SO_(3)+H_(2)SO_(4)

NIKITA PUBLICATION-P-BLOCK ELEMENT -Competitive Exam
  1. In the reacton HCOOH overset(H(2)SO(4))(rarr)CO+H(2)O,H(2)SO(4) actss ...

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  2. In which of the following arrangements, the sequence is not strictly a...

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  3. Each of the following is true for white and red phosphorus except that...

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  4. Which of the following is not known

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  5. Which one of the following elements is most metallic?

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  6. Which of the following oxides of nitrogen is the anhydride of HNO(3)?

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  7. Dissociatuion of H(3)PO(4) occurs in following stages

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  8. Nitrogen forms how many oxides

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  9. The element which catches fire in air at 30^@C and is stored under wat...

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  10. A solution of ammonia in water contains

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  11. Which of the following is oxidised in air?

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  12. Which of the following exist in polymeric form ?

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  13. Which nitrogen trihalides is least basic

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  14. Which of the following oxide of nitrogen is a coloured gas?

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  15. Which oxide does not act as a reducing agent?

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  16. The basic character of hydrides of the 15th-group elements decreases i...

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  17. The strongest base is

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  18. Which has the lowest boiling point?

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  19. Of the following, the most acidic is

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  20. The correct order of the acidic nature of oxides is in the order

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  21. Nitrogen is relatively inactive element because is atom has a stable e...

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