Consider the reaction . The equilibrium constant of the above reaction is
. If pure ammonia is left to dissociate, the partial pressure of ammonia at equilibrium is given by ( Assume that
at equilibrium )
a) |
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b) |
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c) | d) |
Correct Option: a
View SolutionAn organic compound is estimated through Dumas method and was found to evolve 6 moles of , 4 moles of
and 1 mole of nitrogen gas . The formula of the compound is:
a) |
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b) |
|
c) | d) |
Correct Option: c
View SolutionA solid having density of kg
forms face centred cubic crystals of edge length
pm. What is the molar mass of the solid ?
[ Avogadro constant ]
a) |
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b) |
|
c) | d) | |
Correct Option: b
View SolutionTwo blocks of the same metal having same mass and at temperatures and
respectively, are brought in contact with each other and allowed to attain thermal equilibrium at constant pressure . The change in entropy,
for this process is:
a) |
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b) |
|
c) | d) | |
Correct Option: b
View SolutionThe major product of the following reaction is :
a) |
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b) |
|
c) | d) |
Correct Option: a
View SolutionThe major product of the following reaction is :
a) |
|
b) |
|
c) | d) |
Correct Option: b
View SolutionThe element that usually does NOT show variable oxidation states is:
a) |
V |
b) |
Sc |
c) | Cu |
d) | Ti |
Correct Option: b
View SolutionAmong the following compounds, which one is found in RNA ?
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionThe concentration of dissolved oxygen (DO) in cold water can go upto :
a) |
16 ppm |
b) |
10 ppm |
c) | 14 ppm |
d) | 8 ppm |
Correct Option: b
View SolutionThe correct statements among (a) to (d) regarding as a fuel are :
(a) It produce less pollutants than petrol.
(b) A cylinder of compressed dihydrogen weighs times more than a petrol tank producing the same amount of energy
(c) Dihydrogen is stored in tanks of metal alloys like .
(d) On combustion, values of energy released per gram of liquid dihydrogen and LPG are 50 and 142 kj, respectively .
a) |
(a) , (b) and (c) only |
b) |
(b) ,(c) and (d) only |
c) | (a) and (c) only |
d) | (b) and (d) only |
Correct Option: a
View SolutionThe major product of the following reaction is :
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionNaH is an example of :
a) |
Electron-rich hydride. |
b) |
Saline Hydride . |
c) | Metallic hydride . |
d) | Molecular hydride . |
Correct Option: b
View SolutionFor the cell , different half cells and their standerd electrode potential are given below :
If which cathode will give a maximun value of
per electron transfered?
a) |
|
b) |
|
c) | d) |
Correct Option: a
View SolutionHeat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose ?
a) |
|
b) |
|
c) | d) |
Correct Option: d
View SolutionThe chloride that CANNOT get hydrolysed is:
a) |
|
b) |
|
c) | d) |
Correct Option: c
View SolutionMatch the metals (column I) with the coordination compound(s)/enzyme(s) (column II):
(column I) (column II)
Metal Coordination compound(s)/enzyme(s)
(A) Co (i) Wilkinson catalyst
(B) Zn (ii)Chlorophyll
(C) Rh (iii)Vitamin
(D) Mg (iv) Carbonic anhydrase
a) |
( A) - (ii); (B) - (i); (C) - (iv); (D) - (iii) |
b) |
( A) - (iv); (B) - (iii); (C) - (i); (D) - (ii) |
c) | ( A) - (iii); (B) - (iv); (C) - (i); (D) - (ii) |
d) | ( A) - (i); (B) - (ii); (C) - (iii); (D) - (iv) |
Correct Option: c
View SolutionIf a reaction follows the Arrhenius equation, the plot Ink vs gives straight line with a gradient (-y) unit. The energy required to activate the reactant is:
a) |
-y unit |
b) |
y/R unit |
c) | y unit |
d) | yR unit |
Correct Option: c
View SolutionMatch the ores (column A) with the metals (column B)
(Column A ) (Column B )
Ores Metals
(I) Siderite (a) Zinc
(II) Kaolinite (b) Copper
(III) Malachite (c) Iron
(Iv) Calamine (d) Aluminium
a) |
(I) - (c); (II) - (d); (iii) - (a); (Iv) - (b) |
b) |
(I) - (b); (II) - (c); (iii) - (d); (Iv) - (a) |
c) | (I) - (c); (II) - (d); (iii) - (b); (Iv) - (a) |
d) | (I) - (a); (II) - (b); (iii) - (c); (Iv) - (d) |
Correct Option: c
View SolutionThe correct match between item (I) and (II) is :
Item (I) Item (II)
(A) Norethindrone (P) Antibiotic
(B) Ofloxacin (Q) Anti-fertility
(C) Equanil (R) Hypertension
(S) Analgesics
a) |
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b) |
|
c) | d) |