Home
Class 11
CHEMISTRY
In the reaction, R--=-Roverset(Birch)und...

In the reaction, `R--=-Roverset(Birch)underset(reduction)rarr` source of two H atoms which are added to alkyne to give trans-alkene is:

A

(a) `NH_3`

B

(b) `EtOH`

C

(c) `Et-NH_2`

D

(d) Both (a) and (c)

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ALKYNES

    CENGAGE CHEMISTRY|Exercise Exercises (Archives - Single Correct Answer Type)|6 Videos
  • ALKYNES

    CENGAGE CHEMISTRY|Exercise Exercises (Archives - Fill in the Blanks Type)|3 Videos
  • ALKYNES

    CENGAGE CHEMISTRY|Exercise Exercises (Multiple Correct Answers Type)|25 Videos
  • ALKENES AND ALKADIENES

    CENGAGE CHEMISTRY|Exercise Single correct Answer|14 Videos
  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise chapter-7 Single correct answer|1 Videos

Similar Questions

Explore conceptually related problems

Which of the following reactions would give trans-alkene ? .

In the reaction (CH_(3))_(2)CH-underset(CH_(3))underset(|)(CH)-overset(+)S(CH_(3))_(2)Broverset(Heat)rarr Which of the following alkenes is formed in the largest amount ?

In the conversion of alkyne to trans-alkene by Birch reduction using alkali metals (such as Na or K ) in liquid NH_3 and alcohol ( MeOH or EtOH ), R - -= - R overset(Na +liq. NH_(3))underset(+EtOH)rarr the mechanism takes place in the formation of intermediate species in the following sequence:

Which of the statements are correct about the reaction ? (A) overset(H^(o+))underset(Delta)rarr (B) overset(H_(2)O^(o+))rarr (C ) overset(Delta)rarr (D)

a) Give the structural formulae of the alkene (C_(8)H_(16)) which on reductive ozonolysis gives butan-2-one. b) Write the structure of that compound which on reductive ozonolysis gives propane-1,3-dial. c) Write the products of the reductive ozonlysis of mesitylene with i) (Zn//CH_(3)COOH) ii) NaBH_(4) or LAH. d) Give the structural formulae of the alkene which on reductive ozonolysis gives a mixture of 2-methyl-butanal and pentan-2-one.

underset((A))(EtCOCl) overset((i)H_2 N.OH) underset ((ii) overset(Ө)O H) rarr (B) overset(EtOH) rarr (C) Which of the following statements are correct about the given reaction ?

Which A gives red colour in the reaction A overset ((i) HNO_2)underset((ii) NaOH) (rarr) red colur ?

Consider the Hofmann ammonolysis reaction : R-X +ddotNH_(3)rarr underset(1^(@) amine)(HX + RNH_(2)) overset(R-X)underset(373K)rarr If R = C_2H_5 , the correct of basic character of the above amines in aqueous medium is :