Which of the following is obtained when sodium phenoxide is heated with ethyl
Which of the following is obtained when sodium phenoxide is heated with ethyl iodide Options (a) phenetole (b) phenol (c)…
7 years ago
Haloalkenes and Haloarenes
The reaction of phenol with alkaline chloroform gives salicylaldehyde, it is
The reaction of phenol with alkaline chloroform gives salicylaldehyde, it is called Options (a) Gatterman aldehyde synthesis (b) Perkin's reaction…
7 years ago
Chlorobenzene can be prepared by reacting aniline with
Chlorobenzene can be prepared by reacting aniline with Options (a) hydrochloric acid (b) cuprous chloride (c) chlorine in presence of…
7 years ago
1,1,2,2-tetrabromoethane on treatment with Zn dust yields an
1,1,2,2-tetrabromoethane on treatment with Zn dust yields an Options (a) alkene (b) alkane (c) alkyne (d) haloalkane Correct Answer: alkyneExplanation:No…
7 years ago
Tert-butyl bromide on treatment with sodium methoxide yields
Tert-butyl bromide on treatment with sodium methoxide yields Options (a) sodium tert-butoxide (b) methyl tert-butyl ether (c) tert-butyl alcohol (d)…
7 years ago
Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called Options (a) atropisomers (b) enantiomers (c) mesomers (d) diastereomers…
7 years ago
In an SN1 reaction on chiral centres there is
In an SN1 reaction on chiral centres there is Options (a) inversion more than retention leading to partial racemisation (b)…
7 years ago
Which of the following reaction(s) can be used for the preparation of alkyl halides?
Which of the following reaction(s) can be used for the preparation of alkyl halides? anh.ZnCl₂ (I)CH₃CH₂OH + HCl → (II)CH₃CH₂OH…
7 years ago
Which of the following compounds will undergo racemisation when solution
Which of the following compounds will undergo racemisation when solution of KOH hydrolyses Options (a) (i) and (ii) (b) (ii)…
7 years ago
Alkyl halides react with metallic sodium in the presence of anhydrous ether is
Alkyl halides react with metallic sodium in the presence of anhydrous ether is Options (a) Perkin's reaction (b) Aldol's reaction…
7 years ago