Which one will give positive iodoform test
Options
(a) Ethanol (b) Propanone (c) 2-Propanol (d) All the above
Correct Answer:
All the above
Explanation:
No explanation available. Be the first to write the […]
Which of the following has highest chlorine content
Options
(a) chloral (b) DDT (c) pyrene (d) gammexane
Correct Answer:
pyrene
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following reaction is an example of nucleophilic substitution reaction
Options
(a) 2RX + 2Na → R – R + NaX (b) RX + H₂ → RH + HX (c) RX […]
When ethyl iodide and propyl iodide react with Na in the presence of ether, they form
Options
(a) three alkanes (b) two alkanes (c) one alkanes (d) four alkanes
Correct Answer:
three […]
Replacement of Cl of chlorobenzene to give phenol requires drastic conditions. But chlorine of 2,4-dinitro-chlorobenzene is readily replaced because
Options
(a) NO₂ denotes e⁻ at meta-position (b) NO₂ withdraws e⁻ from ortho/para positions […]
Iodoform test is not given by
Options
(a) acetic acid (b) ethyl alcohol (c) acetone (d) none of these
Correct Answer:
acetic acid
Explanation:
No explanation available. Be the first to write the […]
Which of the following compounds has the highest boiling point
Options
(a) CH₃CH₂CH₂Cl (b) CH₃CH₂CH₂CH₂Cl (c) CH₃CH(CH₃)CH₂Cl (d) (CH₃)₃CCl
Correct Answer:
CH₃CH₂CH₂CH₂Cl
Explanation:
No explanation available. Be the first to write the […]
In the following reaction CHCl₃ + C₆H₅NH₂ + 3NaOH → A + 3B + 3C the product A is
Options
(a) ethylidene chloride (b) phenyl cyanide (c) chlorobenzene (d) phenyl isocyanide
Correct […]
Among the following the most reactive towards alcoholic KOH is
Options
(a) CH₂ = CHBr (b) CH₃COCH₂CH₂Br (c) CH₃CH₂Br (d) CH₃CH₂CH₂Br
Correct Answer:
CH₃CH₂CH₂Br
Explanation:
No explanation available. Be the first to write […]
1-bromopropane on treatment with ethanolic potassium hydroxide produces
Options
(a) propane (b) 1-propanol (c) 2-propanol (d) 1-propene
Correct Answer:
1-propene
Explanation:
No explanation available. Be the first to write the explanation for this […]
2017 Copyright Doctor Dreams Training Academy