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(A) overset(NaNO(2)//HCl)underset((ii)H(...

(A) `overset(NaNO_(2)//HCl)underset((ii)H_(2)//Ni)underset(0-5^(@))(rarr)(B)` , is:

A

B

C

D

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The correct Answer is:
B
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Ph-overset(O)overset(||)(C)-CH_(3) overset(NaNO_(2))underset(HCl)(to) (A) underset("heat")overset(AC_(2)O)(to) (B)overset(H_(3)O^(+))(to)(C) Product (C) of the above reaction is :

ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-5
  1. Amongst the following the strongest base is-

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  2. Identify the correct order of reactivity in electrophilic substitution...

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  3. (A) overset(NaNO(2)//HCl)underset((ii)H(2)//Ni)underset(0-5^(@))(rarr)...

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  4. underset(Fe)overset(Br(2))rarr ? Major product in this reaction is :

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  5. 4-Methyl benzene sulphonic acid with sodium acetate to give

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  6. +Cl-CH(2)CH(2)CH(3)overset(AlCl(3))(rarr) P underset((ii)H(2)O)overset...

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  7. RCONH2 is converted into RNH2 by means of Hofmann bromamide degradatio...

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  8. RCONH2 is converted into RNH2 by means of Hofmann bromamide degradatio...

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  9. RCONH2 is converted into RNH2 by means of Hofmann bromamide degradatio...

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  10. Gases released in reaction (I) and (II) are:

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  11. Order of boiling point for the following compounds is-

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  12. Reimer-Tiemann reaction introduces an aldehyde group on to the aromati...

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  13. Reimer-Tiemann reaction introduces an aldehyde group on to the aromati...

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  14. Reimer-Tiemann reaction introduces an aldehyde group on to the aromati...

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  15. Reimer-Tiemann reaction introduces an aldehyde group on to the aromati...

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  16. Assertion: Bromobenzene upon reaction with Br(2)//Fe gives 1,4-dibromo...

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  17. Statement I: Aniline on reaction with NaNO2HCl at 0^@C followed by co...

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  18. In the reaction the intermediate(s) is/are:

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  19. The compound P, Q and S were separately subjected to nitration us...

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  20. The correct acidity order of the following is

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