The compound that inhibits the growth of tumors is:
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionPolysubsititution is a major drawback in:
a) |
Friedel Carft's alkylation |
b) |
Reimer Tiemann reaction |
c) | Acetylation of aniline |
d) | Friedel Carft's acylation |
Correct Option: a
View SolutionThe percentage composition of carbon by 1 mole in methane is:
a) |
75 |
b) |
80 |
c) | 25 |
d) | 20 |
Correct Option: d
View SolutionThe IUPAC symbol for the element with atomic number 119 would be:
a) |
uue |
b) |
une |
c) | unh |
d) | uun |
Correct Option: a
For the solution of the gases, w,x,y and z in water at 298 K, the henry's law constants (KH) are 0.5,2,35 and 40 kbar, respectively. The correct plot for the given data is
a) |
|
b) |
|
c) | d) |
Correct Option: a
View Solution0.27 g of a long chain fatty acid was dissolved in 100 cm3 of hexane. 10 mL of this solution was added dropwise to the surface of water in a round watch glass. Hexane evaporates and a monolayer is formed. The distance (in m) from edge to centre of the watch glass is 10 cm. What is the height of the monolayer?
[Density of fatty acid=0.9 g cm-3 , ]
a) |
10-6 |
b) |
10-8 |
c) | 0.01 |
d) | 0.0001 |
Correct Option: a
View SolutionAmong the following molecules/ions, which one is diamagnetic and has the shortest bond length?
a) |
O2 |
b) |
|
c) | d) |
Correct Option: d
View SolutionThe major product obtained in the following reaction is:
a) |
|
b) |
|
c) | d) |
Correct Option: b
View SolutionFor a reaction scheme if the rate of formation of B is set to be zero then the concentration of B is given by:
a) |
|
b) |
|
c) | d) |
Correct Option: d
View SolutionThe correct statement about and
is:
a) |
both are isostructural |
b) |
|
c) |
|
d) |
|
Correct Option: d
View Solution5 moles of an ideal gas at 100 K are allowed to undergo reversible compression till its temperature becomes 200 K. If , calculate
and
for this process. (R=8.0 JK-1mol-1)
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionThe structure of Nylon-6 is:
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionWhich one of the following alkenes when treated with HCl yields majorly an anti Markovnikov product?
a) |
|
b) |
|
c) | d) |
Correct Option: d
View SolutionThe major product of the following reaction is
a) |
|
b) |
|
c) | d) |
Correct Option: a
View SolutionConsider the following compounds:
(i) C6H5COCl
The correct decreasing order of their reactivity towards hydrolysis is:
a) |
(i) > (ii) > (iii) > (iv) |
b) |
(iv) > (ii) > (i) > (iii) |
c) | (ii) > (iv) > (i) > (iii) |
d) | (ii) > (iv) > (iii) > (i) |
Correct Option: c
View SolutionFructose and glucose can be distinguished by:
a) |
Benedict's test |
b) |
Fehling's test |
c) | Barfoed's test |
d) | Seliwanoff's test |
Correct Option: d
View SolutionThe Mond process is used for the
a) |
purification of Ni |
b) |
extraction of Mo |
c) | purification of Zr and Ti |
d) | extraction of Zn |
Correct Option: a
View SolutionThe covalent alkaline earth metal halide (X=Cl,Br,I) is:
a) |
MgX2 |
b) |
CaX2 |
c) | BeX2 |
d) | SrX2 |
Correct Option: c
View SolutionThe ion that has sp3d2 hybridization for the central atom is:
a) |
[ICl4]- |
b) |
[ICI2]- |
c) | [IF6]- |
d) | [BrF2]- |
Correct Option: a
View SolutionFor the following reactions equilibrium constants are given:
The equilibrium constant for the reaction,
a) |
10154 |
b) |
10181 |
c) | 1025 |
d) | 1077 |
Correct Option: c
View SolutionIf P is the momentum of the fastest electron ejected from a metal surface after the irradiation of light having wavelength , then for 1.5 p momentum of the photoelectron, the wavelength of the light should be:
(Assume kinetic energy of elected photoelectron to be very high in comparison to work function):
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionThe statement that is INCORRECT about the interstital compound is:
a) |
They are chemically reactive |
b) |
they are very hard |
c) | they have metallic conductivity |
d) | they have high melting point |
Correct Option: a
View SolutionConsider the bcc unit cells of the solids 1 and 2 with the position of atoms as shown below. The radius of atoms of B is twice that of atom A. The unit cell edge length is 50% more in solid 2 than in 1. What is the packing efficiency(in %) in solid 2?
(Response should be up to only one decimal digit like 78.7 or 50.0).
a) | 45 | b) | 75 |
c) | 91.2 | d) | 65 |
Correct Option: c
View SolutionThe calculated spin-only magnetic moments (BM) of the anionic and cationic part of complex
, respectively are:
a) |
0 and 4.9 |
b) |
2.84 and 5.92 |
c) | 4.9 and 0 |
d) | 0 and 5.92 |
Correct Option: a
View SolutionThe maximum prescribed concentration of copper in drinking water is:
a) |
5 ppm |
b) |
0.05 ppm |
c) | 0.5 ppm |
d) | 3 ppm |
Correct Option: d
View SolutionWhich of the following compounds will show the maximum 'enol' content?
a) |
|
b) |
|
c) | d) |