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Which of the following pathways produces...

Which of the following pathways produces 2-hexanone?
(i) 1-Hexyne is treated with `Hg^(2oplus) //"dil " H_(2)SO_(4)`
(ii) 3-methylhept-2-ene is treated with `O_(3)` followed by hydrolysis.
(iii) n-butyl magnesium bromide reacts with acetaldehyde followed by hydrolysis and then oxidation with chromic acid.
(iv) Hydroboratioin-oxidation of 1-hexyne.

A

(i), (ii) and (iii)

B

(i) and (ii) only

C

(i), (ii) and (iv)

D

(i) amd (iii) only

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS -Assignment (Section A Competition Level Questions)
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  2. Ch(3)-CH(2)-C -=CH overset( R)underset(H(3)O^(oplus))to Butanone, R is

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  3. Which of the following pathways produces 2-hexanone? (i) 1-Hexyne is...

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  4. An alkene of molecular formula C(9) H(18) on ozonolysis gives 2.2 dime...

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  5. (CH(3))(2)COoverset(NaCN)underset(HCI)rarr(A)underset(Delta)overset(H(...

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  6. A liquid was mixed with ethanol and a drop of concentrated H(2) SO(4) ...

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  8. Which of the following does not give benzoic acid on hydrolysis?

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  9. The compound x is

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  10. Acetic acid is obtained when:

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  11. When m-chlorobenzaldehyde is treated with 50% KOH solution, the produc...

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  13. Whch of the following gives alcohol condensation reaction?

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  15. Predict the product

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  16. Which of the following will not undergo aldol condensation-

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  17. Benzyl alcohol and sodium benzoate is obtained by the action of sodium...

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  18. Dimethyl ketones are usually characterised through

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