The element having greatest difference between its first and second ionization energies, is :
a) |
|
b) |
|
c) | d) |
Correct Option: d
View SolutionThe increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is :
a) |
|
b) |
|
c) | |
d) | |
Correct Option: a
View SolutionConsider the van der Waals constants, and
, for the following gases.
Which gas is expected to have the highest critical temperature?
a) |
|
b) |
|
c) | d) |
Correct Option: a
View SolutionThe given plots represent the variation of the concrntration of a reactant with time for two different reactions (i) and (ii). The respective orders of the reactions are :
a) |
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b) |
|
c) | |
d) |
Correct Option: a
View SolutionAmong the following, the set of parameters that represents path functions,is :
a) |
|
b) |
|
c) | |
d) | |
Correct Option: a
The ore that contains the metal in the form of fluoride is :
a) |
|
b) |
|
c) | d) |
Correct Option: a
Excessive release of into the atmosphere results in :
a) |
|
b) |
|
c) | d) | |
Correct Option: a
View SolutionAniline dissolved in dilute is reacted with sodium nitrite at
. This solution was added dropwise to a solution containing equimolar mixture of aniline and phenol in dil.
. The structure of the major product is :
a) |
|
b) |
|
c) | |
d) | |
Correct Option: c
View SolutionAmong the following, the molecule expected to be stabilized by anion formation is :
a) |
|
b) |
|
c) | d) |
Correct Option: a
View SolutionThe correct order of the oxidation states of nitrogen in and
is :
a) |
|
b) |
|
c) | |
d) |
Correct Option: d
View SolutionLiquid and liquid
form an ideal solution. The vapour pressures of pure liquids
and
are
and
, respectively, at the same temperature. Then correct statement is :
a) |
|
b) |
|
c) | |
d) | |
Correct Option: d
View SolutionThe osmotic pressure of a dilute solution of an ionic compound in water is four times that of a solution of
in water. Assuming complete dissociation of the given ionic compounds in water, the concentration of
in solution is :
a) |
|
b) |
|
c) | |
d) |
Correct Option: b
View SolutionThe number of water molecule(s) not coordinated to copper ion directly in
is :
a) |
|
b) |
|
c) | d) |
Correct Option: c
The standard Gibbs energy for the given cell reaction in at
is :
(Faraday's constant, )
a) |
-384 |
b) |
384 |
c) | 192 |
d) | -192 |
Correct Option: a
View SolutionThe major product of the following reaction is :
a) |
|
b) |
|
c) | d) |
Correct Option: a
View SolutionFor any given series of spectral lines of atomic hydrogen, let be the difference in maximum and minimum frequencies in
The ratio is :
a) |
|
b) |
|
c) | d) |
Correct Option: b
View SolutionThe organic compound that gives following qualitative analysis is :
Test Inference
(a) Insoluble
(b) soluble
(c) Decolourization
a) |
|
b) |
|
c) | |
d) | |
Correct Option: a
View Solution an allotrope of carbon contains :
a) |
|
b) |
|
c) | d) |
Correct Option: d
View SolutionThe major product of the following reaction is :
a) |
|
b) |
|
c) | |
d) | |
Correct Option: d
View SolutionThe one that will show optical activity is :
(=ethane-1,2-diamine)
a) |
|
b) |
|
c) | |
d) |
Correct Option: c
The correct IUPAC name of the following compound is :
a) |
5-Chloro-4-methyl-1-nitrobenzene |
b) |
2-Chloro-1-methyl-4-nitrobenzene |
c) | 3-Chloro-4-methyl-1-nitrobenzene |
d) | 2-Methyl-5-nitro-1-chlorobenzene |
Correct Option: b
View SolutionMatch the catalysts (Column I) with products (Column II).
Column Column
Catalyst Product
a) |
|
b) |
|
c) | |
d) | |
Correct Option: c
View SolutionWhich of the following statements is not true about sucrose ?
a) |
It is a non reducing sugar |
b) |
The glycosidic linkage is present between |
c) | It is also named as invert sugar |
d) | On hydrolysis, it produces glucose and fructose |
Correct Option: b
View SolutionMagnesium powder burns in air to give :
a) |
|
b) |
|
c) | d) |
Correct Option: b
View SolutionThe major product of the following reaction is :
a) |
|
b) |
|
c) | |
d) | |
Correct Option: c
View SolutionThe major product of the following reaction is :
a) |
|
b) |
|
c) | d) |
Correct Option: d
View SolutionThe major product of the following reaction is:
a) |
|
b) |
|
c) | d) | |
Correct Option: b
View SolutionThe degenerate orbitals of are
a) |
|
b) |
|