Lakhmir Singh Class 10 Chemistry Solutions. We covered all the Lakhmir Singh Class 10 Chemistry Solutions MCQs in this post for free so that you can practice well for the exam.
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Lakhmir Singh Class 10 Chemistry Objective with Solutions for Students
1-Iodopropane is prepared by reacting 1-bromopropane with which of the following reagents in the presence of methanol?
(A) Sodium iodide
(B) Sodium chloride
(C) Sodium bromide
(D) Sodium fluoride
Option a – Sodium iodide
Which of the following compounds reacts with SbF3 to give isopropyl fluoride?
(A) Propan-2-ol
(B) Propan-2-amine
(C) 2-Bromopropane
(D) 1-Chloropropane
Option c – 2-Bromopropane
The best method for the preparation of alkyl chloride is
(A) Swartz reaction
(B) Finkelstein reaction
(C) Wurtz reaction
(D) Darzen’s method
Option d – Darzen’s method
During the Finkelstein reaction, NaBr is precipitated by using
(A) Dry ether
(B) Dry dimethyl ketone
(C) Methanamine
(D) Nitroethane
Option b – Dry dimethyl ketone
What is the reactivity order of HX to react with alcohol?
(A) HCl < HBr > HI
(B) HCl < HBr < HI
(C) HI > HCl > HBr
(D) HCl < HI < HBr
Option b – HCl
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