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Which of the following singlet carbene i...

Which of the following singlet carbene is most stable

A

`:CF_2`

B

`:CBr_2`

C

`:Cl_2`

D

`:C Cl_2`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ALKYL AND ARYL HALIDES-OBJECTIVE EXERCISE - 2B
  1. The major elimination product 'X' is :

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  2. An internal nuclephilic substitution reaction involves the

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  3. The final organic product is

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  4. Products of reactions (I) and (II) are

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  5. Which among the following on dehalogenation will give trans-alkene ?

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  6. R2CH-underset(X)underset(|)(C )-R2 + ,B^(-) R2C = CR' + H - B + X^(-)....

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  7. CH3-underset(Br)underst(|)(CH)-CH2-CH3 overset(Me3COK)(rarr)X. The pro...

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  8. CF3-CHCl2 overset(C2H5O^(-))(rarr)CF3 - Coverset(o.)(C )l2 rarr. The c...

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  9. El(CB) reaction is given by which of the following A) CF3 -CHCl2 B...

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  10. Which of the following singlet carbene is most stable

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  11. Which one of the following halides is most reactive for SN2 reaction

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  12. Which of the following solvent useful to carry SN2 reaction ?

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  13. Correct statement regarding SN2 reaction is A) rate = K[substrate][N...

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  14. Optically pure 2(S)-butanol is subjected to the following reaction 2 (...

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  15. Which of the following compounds under goes predominantly SN2 reaction...

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  16. Which of the following is not an example of SN^2 reaction ?

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  17. Which of the following indicates the correct energy diagram for SN^2 r...

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  18. Correct statement(s) about SN^2 and SN^1 reactions is/are

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  19. Which of the following is incorrect order of reactivity of nucleophile...

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  20. In which of the following compounds, the C-Cl bond ionization shall gi...

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