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Haloalkanes and haloarenes - 03
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Q1. C – X bond is strongest in
*
1 point
CH3F
CH3Cl
CH3I
CH3Br
Q2. Which of the following will have lowest bond dissociation energy?
*
1 point
CH3I
CH3Cl
CH3Br
CH3F
Q3 - The decreasing order of boiling points of alkyl halides is
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1 point
RCl > RF > RI > RBr
RI > RBr > RCl > RF
RBr > RCl > RI > RF
RF > RCl > RBr > RI
Q4. The following reaction is an example of -
*
1 point
Rearrangement Reaction
Elimination Rection
Sustitution Reaction
Addition Reaction
Q5. Halogenation of alkanes is
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1 point
An oxidative process
An isothermal process
An endothermal process
A reductive process
Q6. Ethylene dichloride can be prepared by adding HCl to
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1 point
Ethane
Ethylene
Ethylene glycol
Acetylene
Q7. The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with
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1 point
PCl5
None of them
SOCl2 in presence of pyridine
Dry HCl in the presence of anhydrous ZnCl2
Q8. In the preparation of chlorobenzene from aniline, the mostsuitable reagent is
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1 point
Nitrous acid followed by heating with Cu2Cl2
Chlorine in the presence of ultraviolet light
HCl and Cu2Cl2
Chlorine in the presence of AlCl3
Q9. Which of the following possesses highest melting point?
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1 point
m--DiChlorobenzene
p--DiChlorobenzene
o-DiChlorobenzene
Chlorobenzene
Q10. Which of the following reactions is an example of nucleophilic substitution reaction?
*
1 point
RX + H2 → RH + HX
RX + KOH → ROH + KX
RX + Mg → RMgX
2 RX + 2 Na → R – R + 2 NaX
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