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Oxidation of an alkyne to the correspond...

Oxidation of an alkyne to the corresponding carbonyl compound is catalysed by

A

`PdCl_(2)`

B

`TiCl_(4)`

C

`MnO`

D

`TiO`

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The correct Answer is:
A
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Aldehydes and ketons are susceptible to nuclephlic addition because carbonylgroup Polar (due to electronegativeity difference between carbon and oxygen positive charge on carbonyl compound towards nucleophilic . this addition is catalysed by acid . REactivity of carbonyl compound towards nuclephilic addotion increase with increase in teh electron deficiency at carbonyl carbon Thus (-I.E ) groups increase while (+I.E ) groups decreases the reactivity of carbonyl compound . Carbonyl compounds show nucleophilic addition with :

Aldehydes and ketons are susceptible to nuclephlic addition because carbonylgroup Polar (due to electronegativeity difference between carbon and oxygen positive charge on carbonyl compound towards nucleophilic . this addition is catalysed by acid . REactivity of carbonyl compound towards nuclephilic addotion increase with increase in teh electron deficiency at carbonyl carbon Thus (-I.E ) groups increase while (+I.E ) groups decreases the reactivity of carbonyl compound . which among the following carbonyl compound is most polar ?

Aldehydes and ketons are susceptible to nuclephlic addition because carbonylgroup Polar (due to electronegativeity difference between carbon and oxygen positive charge on carbonyl compound towards nucleophilic . this addition is catalysed by acid . REactivity of carbonyl compound towards nuclephilic addotion increase with increase in teh electron deficiency at carbonyl carbon Thus (-I.E ) groups increase while (+I.E ) groups decreases the reactivity of carbonyl compound . select the least reactive carbonyl compound towards nuclephilic addition .

Aldehydes and ketons are susceptible to nuclephlic addition because carbonylgroup Polar (due to electronegativeity difference between carbon and oxygen positive charge on carbonyl compound towards nucleophilic . this addition is catalysed by acid . REactivity of carbonyl compound towards nuclephilic addotion increase with increase in teh electron deficiency at carbonyl carbon Thus (-I.E ) groups increase while (+I.E ) groups decreases the reactivity of carbonyl compound . which among the following isomeric compound is most reactive towards nucleophilic addition

AAKASH SERIES-D - BLOCK ELEMENTS-OBJECTIVE EXERCISE - 1 (LANTHANIDES AND ACTINIDES)
  1. Which element among the lanthanides has the smallest atomic radius

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  2. The electronic configuration of gadolinium (At No. = 64) is

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  3. Across the lanthanide series, the basic strength of the lanthanide hyd...

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  4. Most common oxidation states shown by cerium are

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  5. Which of the following statements is not correct ?

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  6. Arrange Ce^(3+), La^(3+), Pm^(3+) and Yb^(3+) in increasing order of t...

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  7. The basic character of the transition metal monoxides follows the orde...

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  8. Which of the following is a lanthanide ?

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  9. Which of the two have almost similar size

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  10. In aqueous solutions Eu^(2+) acts as

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  11. The radius of La^(3+) (Z=57) is 1.06A^(@). Which one of the following ...

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  12. The actinide element which can exhibit +7 oxidation state in its compo...

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  13. Highest oxidation state exhibited by an actinide element in its compou...

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  14. Actinide that is naturally available with highest isotopic number

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  15. Manganese dioxide is used in

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  16. Zeiglar catalysis utilises a mixture of trialkylaluminium and a chlori...

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  17. Silver UK coins are made up with an alloy

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  18. Photography is based on special light sensitive properties of

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  19. Oxidation of an alkyne to the corresponding carbonyl compound is catal...

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