Which is the correct increasing order of boiling points of the following compounds?
1-Iodobutane, 1-Bromobutane, 1-Chlorobutane, Butane
(a) Butane < 1-Chlorobutane < 1-Bromobutane < 1-Iodobutane.
(b) 1-Iodobutane < 1-Bromobutane < 1-Chlorobutane < Butane.
(c) Butane < 1-Iodobutane < 1-Bromobutane < 1-Chlorobutane.
(d) Butane < 1-Chlorobutane < 1-Iodobutane < 1-Bromobutane.
1-Iodobutane, 1-Bromobutane, 1-Chlorobutane, Butane
(a) Butane < 1-Chlorobutane < 1-Bromobutane < 1-Iodobutane.
(b) 1-Iodobutane < 1-Bromobutane < 1-Chlorobutane < Butane.
(c) Butane < 1-Iodobutane < 1-Bromobutane < 1-Chlorobutane.
(d) Butane < 1-Chlorobutane < 1-Iodobutane < 1-Bromobutane.
(a) Butane < 1-Chlorobutane < 1-Bromobutane < 1-Iodobutane.
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.
Molecules whose mirror image is non-superimposable over them are known as chiral. Which of the following molecules is chiral in nature?
(a) 2-Bromobutane.
(b)1-Bromobutane.
(c) 2-Bromopropane.
(d) 2-Bromopropan-2-ol.
Which of the following is an example of vic-dihalide?
(a) Dichloromethane.
(b) 1,2-dichloroethane.
(c) Ethylidene chloride.
(d) Allyl chloride.
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 reaction R-Br + NaCN → R – CN + NaBr is an example of –
(a) Elimination Reaction.
(b) Nucleophilic Substitution.
(c) Electrophilic Substitution.
(d) Oxidation Reduction.
Aryl halides can not be prepared by the reaction of arylalcohols with \(PCl_3\), \(PCl_5\) or \(SOCl_2\) because :
(a) phenols are highly stable compounds.
(b) carbon-oxygen bond in phenols has a partial doublebond character.
(c) carbon-oxygen bond is highly polar
(d) all of these
Benzene reacts with \(CH_3\)Cl in the presence of anhydrous \(AlCl_3\) to form:
(a) chlorobenzene
(b) benzylchloride
(c) xylene
(d) toluene
On a large-scale nitric acid is prepared mainly by
a) Haber's process
b) Ostwald’s process
c) Contact Process
d) Deacon's process
Which of the following is a network solid?
(A) (solid)
(B)
(C) Diamond
(D) (ice)
The order of reactivity of the following alcohols with halogen acids is
A compound X with the molecular formula \(C_2\)\(H_8\)O can be oxidised to another compound Y whose molecular formulae is \(C_3\)\(H_6\)\(O_2\). The compound X may be
(a) \(CH_3\)\(CH_2\)\(OCH_3\).
(b) \(CH_3\)\(CH_2\)CHO.
(c) \(CH_3\)\(CH_2\)\(CH_2\)OH.
(d) \(CH_3\)\(CHOHCH_3\).
Solid A is very hard electrical insulator in solid as well as in molten state and melts at an extremely high temperature. What type of solid is it?
(A) Ionic solid
(B) Molecular solid
(C) Covalent solid
(D) Metallic solid
The lattice site in a pure crystal cannot be occupied by __________.
(A) Molecule
(B) Ion
(C) Electron
(D) Atom
Aryl halides can not be prepared by the reaction of arylalcohols with \(PCl_3\), \(PCl_5\) or \(SOCl_2\) because :
(a) phenols are highly stable compounds.
(b) carbon-oxygen bond in phenols has a partial doublebond character.
(c) carbon-oxygen bond is highly polar
(d) all of these