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In the Rosenmund's reaction RCOCl unde...

In the Rosenmund's reaction
`RCOCl underset(H_(2))overset(Pd/BaSO_(4))(to)RCHO,BaSO_(4)` here

A

promotes catalytic activity of Pd

B

removes the HCl formed in the reaction

C

deactivates Pd

D

activates Pd

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The correct Answer is:
D
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 22 -Physics & chemistry
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  2. Which of the following sweeteners has the lowest sweetness value

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  3. In the Rosenmund's reaction RCOCl underset(H(2))overset(Pd/BaSO(4))(...

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  4. The first order rate constant for dissociation of N(2)O(5) is 6.2xx10^...

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  5. The IUPAC name of the compound

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  6. 30 volume hydrogen peroxide means

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  7. The gas phase reaction of nitric oxide and bromine yields nitrosyl bro...

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  8. Fungicides are organic compounds of

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  9. Reaction of esters with Grignard reagents give rise to :

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  10. Which of the metal carbonates is decomposed on heating ?

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  11. CO binds itself to metal atoms through

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  12. The compounds formed at anode in the electrolysis of an aqueous soluti...

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  13. In the periodic table actinides occupy

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  14. Diborane is used for reduction of

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  15. During electrochemical process

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  16. The stability of Me(2)C=CH(2) is more than that of MeCH(2)CH=CH(2) due...

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  17. What is the role of a catalyst in a catalysed reaction

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  18. R-OH+SOCl(2) overset(Pyridine) to R-Cl+SO(2)+HCl Pyridine in the abo...

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  19. Which of the following is diamagnetic ?

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  20. Which of the following changes with change in temperature ?

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