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The reagent used in Gattermann -Koch ald...

The reagent used in Gattermann -Koch aldehyde synthesis is

A

`Pb // BaSO_4`

B

Alkaline `KMnO_4`

C

Acidic `KMnO_4`

D

CO + HCl

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The correct Answer is:
D
Gattermann koch aldehyde synthesis.
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ERRORLESS-ALDEHYDES AND KETONES-NCERT BASED QUESTIONS(PREPARATION OF ALDEHYDES AND KETONES)
  1. The oxidation of benzyl chloride with lead nitrate gives

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  2. R - CH = CH(2) + CO + H(2) overset(High Temp) underset (High Pressure)...

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  3. The reagent used in Gattermann -Koch aldehyde synthesis is

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  4. On reductive ozonolysis yields

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  5. CH-=CH+H2O underset(HgSO4)overset(H2SO4)to A underset(300^@C)overset(H...

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  6. Acetic acid is treated with Ca(OH)(2) and the product so obtained is s...

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  7. In the following reaction : C2H2 underset(HgSO4//H2SO4)overset(H2O)t...

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  8. An optically active compound having molecular formula C(8)H(10) on ozo...

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  9. R-C-= N overset(SnCl2 +HCI ) to X overset(H3 O^+ ) to Y. this r...

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  10. The most suitable reagent for the conversion of RCH(2)OHrarrRCHO is

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  11. Addition of water to alkynes occurs in acidic medium and in the presen...

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  12. CH3 -C-= CH underset(1% Hg SO4 ) overset(40% H2SO4 )to A overset(...

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  13. CH-=CH underset(H2SO4)overset(HgSO4)to underset(H2O)overset(CH3MgBr)to...

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  14. Dry heating of calcium acetate gives

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  15. Identify the product C in the series CH(3)CN overset("Na/"C(2)H(5)OH...

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  16. On heating calcium acetate and calcium formate, the product formed is ...

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  17. Which of the following compound gives a ketone with Grignard reagent?

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  18. In the Rosenmund's reduction , BaSO(4) taken with catalyst Pd acts as ...

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  19. Secondary nitroalkanes can be converted into ketones by using Y. Ident...

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  20. An alkene of molecular formula C(9) H(18) on ozonolysis gives 2.2 dime...

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