Class 12 Chemistry ISC Haloalkanes&Haloarenes Mostlikely QuestionBank
Here we provide Class 12 chemistry important notes,board questions and predicted questions with Answers for chapter Haloalkanes&Haloarenes. These important notes,board questions and predicted questions are based on ISC board curriculum and correspond to the most recent Class 12 chemistry syllabus. By practising these Class 12 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 12 Board examinations as well as other entrance exams such as NEET and JEE.
class 12 ISC Haloalkanes MostlikelyQuestionBank
Haloalkanes&Haloarenes Mostlikely-QuestionBank
Q1
A compound (A) with molecular formula C4H10O6 on oxidation forms a
compound (B) with molecular
formula C4H8O which gives a positive iodoform test. The reaction of (B) with
CH3MgBr followed by
hydrolysis gives a compound (C) with molecular formula C5H12O. Identify (A),
(B) and (C) and write
the reactions.
solutions
solutions
Q2
An aromatic compound (A) on heating with ammonia and cuprous oxide at high pressure gave (B). (B) on
treatment with ice cold solution of sodium nitrite and HCI gave (C). (C) when heated with copper
powder and HCI gave (A) again. Identify the compound (A)
solutions
solutions
Q3
An aromatic compound (A) on heating with ammonia and cuprous oxide at high pressure gave (B). (B) on
treatment with ice cold solution of sodium nitrite and HCI gave (C). (C) when heated with copper
powder and HCI gave (A) again. Identify the compound (A).
solutions
solutions
Q4
Which of the following has the highest dipole moment :
(i)CH2Cl2
(ii) CHCl3
(iii) CCl4
solutions
(i)CH2Cl2
(ii) CHCl3
(iii) CCl4
solutions
Q5
Write the equations for the preparation of I-iodobutane from
(i)Butan-1-ol
(ii) 1-chlorobutane
(iii) but-1-ene.
solutions
(i)Butan-1-ol
(ii) 1-chlorobutane
(iii) but-1-ene.
solutions
Q6
What happens when
(i) n-butyl chloride is treated with alcoholic KOH.
(ii) bromobenzene is treated with Mg in the presence of dry ether,
(iii) chlorobenzene is subjected to hydrolysis,
solutions
(i) n-butyl chloride is treated with alcoholic KOH.
(ii) bromobenzene is treated with Mg in the presence of dry ether,
(iii) chlorobenzene is subjected to hydrolysis,
solutions
Q7
A hydrocarbon C5H10 does not react with chlorine in dark but gives a single
monochloro compound
C5H9CI in bright sunlight. Identify the hydrocarbon.
solutions
solutions
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