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Propyne is passed through 20% H2SO4 in p...

Propyne is passed through 20% `H_2SO_4` in presence of `Hg^(2+)`.

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Ethyne reacts with dil. H_2SO_4 in presence of Hg^(2+) salts to give acetaldehyde, but with HCl, under similar conditions , it gives vinyl chloride. Account for such observation.

…………….is obtained when 2-butyne is passed through a mixture of 20% H_2SO_4 and 1% HgSO_4 .

Acetylene is passed through dilute H_2SO_4 solution (20%) containing 1% HgSO_4 at 60-80^@C .

H_(2) gas is passed through CuSO_(4) solution

60 ml 0.1 M KMnO_4 is treated with excess FeC_2O_4 in presence of H_2SO_4 . The volume of CO_2 gas (measured at STP) obtained is :

F_(2) gas is passed through 2% NaOH solution.

Conc. HNO_(3) is added to FeSO_(4) solution in presence of H_(2)SO_(4) .

0.19 g of a improve H_(2)O_(2) sample is dissolve din a 20 mL solution. 0.316g of the solution reacts completely with KMnO_(4) in presence of H_(2)SO_(4) . Find the purity of H_(2)O_(2) sample.

When H_(2)S is passed through Hg_(2)^(2+) , we get :

CHHAYA PUBLICATION-HYDROCARBONS-EXERCISE (ADDITIONAL QUESTIONS)
  1. Tetramethylammonium hydroxide is heated

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  2. 2-butanol is heated with conc. H2SO4 at 170-180^@C.

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  3. Propyne is passed through 20% H2SO4 in presence of Hg^(2+).

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  4. Acetylene is allowed to react with liquid bromine

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  5. Acetylene is passed over nickel cyanide under high pressure.

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  6. Chlorine gas is passed through boiling benzene.

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  7. A mixture of benzene vapour and air is passed over V2O5 catalyst heate...

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  8. A mixture of benzene & fuming H2SO4 is heated at 200-250^@C.

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  9. A mixture of CO and HCl is passed through an ethereal solution of benz...

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  10. CH4overset(Cl2)underset("Diffused sunlight")toA overset(2Na//"Dry ethe...

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  12. CH2=CH2overset(Br2)toAoverset(KOH//"Alcohol")underset(Delta)toBoverset...

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  13. CH3CHOoverset(Na2Cr2O7//H2SO4)underset([O])toAoverset(NaOH)toBoverset(...

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  14. CH3C-=CHoverset(NaNH2)underset(liq.NH3)toAoverset((i)CO2)underset((ii)...

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  15. CH3CH2OHoverset(Ca(OCl)Cl//H2O)underset(Delta)toAoverset(Ag)underset(D...

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  16. CH3CH=CH2overset(HBr)toAoverset(KCN)toBoverset(H^+//H2O)toC

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  17. CH3Ioverset(Mg)underset("Dry ether")toAoverset(D2O)toB

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  18. CH3-CH2-CH=CH2overset(HBr)toAoverset(KOH//"Alcohol")underset(Delta)toB

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  19. Aoverset(NaNH2(2mol))underset(liq.NH3)toBoverset(2CH3I)toCH3C-=C""CH3

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  20. CH3COOHoverset(A)toCH3COONaoverset(B)underset(Delta)toCH4

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