The reaction \({\\(CH_3\\)}_2\)CHCl + NaI → \({(\\CH_3\\)}_2\)CHI + NaCl is known as –
a) Finkelstein’s reaction.
b) Stephen’s reaction.
c) Kolbe’s reaction.
d) Wurtz reaction.
a) Finkelstein’s reaction.
b) Stephen’s reaction.
c) Kolbe’s reaction.
d) Wurtz reaction.
a) Finkelstein’s reaction.
The reaction R-Br + NaCN → R – CN + NaBr is an example of –
(a) Elimination Reaction.
(b) Nucleophilic Substitution.
(c) Electrophilic Substitution.
(d) Oxidation Reduction.
Benzene reacts with \(CH_3\)Cl in the presence of anhydrous \(AlCl_3\) to form:
(a) chlorobenzene
(b) benzylchloride
(c) xylene
(d) toluene
A Grignard reagent may be made by reacting magnesium with
a) Methyl amine.
b) Diethyl ether.
c) Ethyl iodide.
d) Ethyl alcohol.
When Benzene diazonium chloride is treated with cuprous chloride in HCl, Chlorobenzene is formed, This reaction is known as –
a) Etard Reaction
b) Perkin’s Reaction
c) Gattermann’s Reaction
d) Sand Meyer’s Reaction
The Addition of HBr to 2—Pentene gives –
a) 2-Bromopentane only.
b) 3-Bromopentane only.
c) 2-Bromopentane and 3-Bromopentane.
d) 1-Bromopentane and 3-Bromopentane.
Write the structure of an isomer of compound C₄H₉Br which is most reactive towards reaction.
Which of the following is an example of vic-dihalide?
(a) Dichloromethane.
(b) 1,2-dichloroethane.
(c) Ethylidene chloride.
(d) Allyl chloride.
Looking at the setup of an electrochemical cell, what happens when \(E_{ext}\) > 1.1 V
Limiting molar conductivity of NH4OH is equal to -:
a. Λᵒₘ(NH₄Cl) + Λᵒₘ(NaCl) + Λᵒₘ(NaOH)
b. Λᵒₘ(NaOH) + Λᵒₘ(NaCl) - Λᵒₘ(NH₄Cl)
c. Λᵒₘ(NaOH) - Λᵒₘ(NH₄Cl) - Λᵒₘ(HCl)
d. Λᵒₘ(NH₄Cl) + Λᵒₘ(NaOH) - Λᵒₘ(NaCl)
Which of the following compounds will be most easily attacked by an electrophile?
Which of the following is an amorphous solid?
(A) Graphite (G)
(B) Quartz glass (SiO2)
(C) Chrome alum
(D) Silicon carbide (SiC)
Which of the following Defects is also known as dislocation defect?
(A) Frenkel defect
(B) Schottky defect
(C) Non-stoichiometric defect
(D) Simple interstitial defect
Electronic configuration of a transition element X in +3 oxidation state is [Ar]3d⁵. What is its atomic number?
(a) 25
(b) 26
(c) 27
(d) 24
When Xe reacts with Fluorine in 1:5 ratio at 873 K it forms
a) \(XeF_2\)
b) \(XeF_4\)
c) \(XeF_6\)
d) \(XeOF_4\)