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Which reactions are useful to prepare Hy...

Which reactions are useful to prepare Hydrogen in the laboratory

A

Decomposition

B

Displacement

C

Combination

D

Disproportionation

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
  1. Among the following ion the one that cannot undergo disproportionation

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  2. 3Cl(2)+6NaOHrarr5NaCl+NaClO(3)+3H(2)O, chlorine gets

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  3. Which reactions are useful to prepare Hydrogen in the laboratory

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  4. In which of the following reaction there is no change in oxidation sta...

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  5. The Lanthanide contraction relates to (AFMC)

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  6. The reaction is Decomposition but it's not redox reaction

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  7. Which one of the following generally gets displaced by more electro po...

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  8. Fluorine does not undergo disproportiona tion because

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  9. In the reaction, 2HgOrarr2Hg+O(2),Hg^(2+) act as

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  10. (A) : White P reacts with caustic soda, the products are PH(3) and NaH...

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  11. PbS+4H(2)O(2)rarrPbSO(4)+4H(2)O. In this reaction PbS undergoes

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  12. The mass ofCO(2) obtained when 2g of pure limestone is calcined is

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  13. The number of moles of CO(2) produced when 3 moles of HCl react with e...

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  14. The weight of a pure sample of KCIO(3) to be decomposed in order to ge...

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  15. 6g of Mg reacts with excess of an acid. The amount of hydrogen produce...

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  16. The number of moles of Fe(2)O(3) formed when 5.6 lit of O(2) reacts wi...

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  17. What volume of H(2) at NTP is required to convert 2.8g of N(2) in to N...

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  18. The number of grams of NaOH that completely neutralises 9.8g of phosph...

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  19. The volume of CO(2) obtained by the complete decomposition of one mole...

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  20. A peroxidase enzyme contains 2% selenium (Se=80). The minimum molecula...

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