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P underset(2.H3O^(+))overset(1. CH3MgBr)...

`P underset(2.H_3O^(+))overset(1. CH_3MgBr) to R overset(1. dil. NaOH)underset(2.Delta)to 4-`methylpent -3-en-2-one
P is

A

propanone

B

ethanamine

C

ethanenitrile

D

ethanal

Text Solution

Verified by Experts

The correct Answer is:
C
`H_3C- C -=N overset(CH_3MgBr)to H_3C - underset(CH_3)underset(|)C=N MgBr overset(H_3O^(+))to H_3C-underset(CH_3)underset(|)C=Ounderset(Delta)overset("dil".NaOH)to H_3C - overset(CH_3)overset(|)C=CH-overset(O)overset(|)C-CH_3`
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SUNSTAR PUBLICATION-K-CET-CHEMISTRY-2014-MULTIPLE CHOICE QUESTIONS
  1. Which one of these is not known?

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  2. The correct statement is

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  3. P underset(2.H3O^(+))overset(1. CH3MgBr) to R overset(1. dil. NaOH)und...

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  4. When CH2 = CH -O - CH2 - CH3 reacts with one mole of HI , one of the ...

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  5. 0.44 g of a monohydric alcohol when added to methylmagnesium iodide in...

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  6. The IUPAC name of 'B' is

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  7. For Freundilich isotherm a graph of log""(x)/(m) is plotted against lo...

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  8. A plot of (1)/(T) Vsk for a reaction gives the slope - 1 xx 10^(4)K. T...

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  9. The IUPAC name of the complex ion formed when gold dissolves in aquare...

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  10. The correct sequence of reactions to be performed to convert benzene i...

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  11. Y is

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  12. A((g)) overset(Delta)to P((g)) + "Q"((g)) + R((g)) , follows first ord...

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  13. MnO2 + HCl overset(Delta)to A((s)) A((g)) + F(2"(excess)") overset(5...

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  14. Acetophenone cannot be prepared easily starting from

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  15. One mole of ammonia was completely absorbed in one litre solution each...

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  16. 5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one at...

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  17. 50 cm^(3) of 0.04 M K2Cr2O7 in acidic medium oxidizes a sample of H2S ...

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  18. The compound that reacts the fastest with sodium methoxide is

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  19. The pair of compounds having identical shapes for their molecules is

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  20. Conductivity of a saturated solution of a sparingly soluble salt AB at...

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