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
Chemistry
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
The ozone layer forms naturally by
The ozone layer forms naturally by Options (a) the interaction of CFC with oxygen (b) the interaction of UV radiation…
7 years ago
The secondary precursors of photochemical smog are
The secondary precursors of photochemical smog are Options (a) SO₂ and NO₂ (b) SO₂ and hydrocarbons (c) NO₂ and hydrocarbons…
7 years ago
Which one of the following is not a greenhouse gas
Which one of the following is not a greenhouse gas Options (a) Methane (b) Ozone (c) Carbon dioxide (d) Nitrogen…
7 years ago
The greenhouse effect can be caused by the presence of the
The greenhouse effect can be caused by the presence of the following component present in automobile exhaust Options (a) oxides…
7 years ago
Which one of the following statements regarding photochemical smog is not correct
Which one of the following statements regarding photochemical smog is not correct Options (a) Carbon monoxide does not play any…
7 years ago