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The percentage of vacant space of bcc unit cell is ____________.
Concept: undefined >> undefined
pH of a solution is 12. The number H+ ions present in 1 cm3 of this solution is ____________.
Concept: undefined >> undefined
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Which of the following is FALSE regarding SN2 reaction mechanism?
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Which one of the following compounds when heated with KOH and CHCl3 gives carbylamine test?
Concept: undefined >> undefined
Identify the strongest reducing agent from the data given below:
| Element | `"E"^0 ("V")` |
| Al | −1.66 |
| Fe | −0.44 |
| Hg | +0.79 |
| Cu | +0.337 |
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Addition of HCl to ____________ mainly gives 2-chloro-2-methylbutane.
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____________ isomers are formed when the ligand has two different donor atoms.
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The pH of 0.001 M HCl solution is ______.
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Identify the INCORRECT statement about d-block elements.
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Which of the following hydride does not obey law of constant proportion?
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Which among the following crystal structures the edge length of unit cell is equal to twice the radius of one atom?
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What is the edge length of fcc type of unit cell having density and atomic mass 6.22 g cm−3 and 60 g respectively?
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According to Raoult's law, relative lowering of vapour pressure for a solution containing a nonvolatile solute is equal to ____________.
Concept: undefined >> undefined
Relative lowering in vapour pressure of a solution containing non-volatile solute is the ratio of ____________.
Concept: undefined >> undefined
Which group from following decreases the basic strength in substituted aniline?
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Which of the following on heating with chloroform and alcoholic potassium hydroxide yields carbylamine?
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What is the standard emf of the following cell?
\[\ce{Ni_{(s)} | Ni^{2+}_{( aq)} || Au^{3+}_{( aq)} | Au_{(s)}}\]
if \[\ce{E^0_{Ni}}\] = −0.25 V, \[\ce{E^0_{Au}}\] = 1.50 V.
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Which among the following is correct when energy of activation, Ea of the catalyzed reaction decreases at constant temperature and for same concentration?
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What is the highest oxidation state exhibited by actinoids?
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Which cation from following does NOT form colourless compound?
(Atomic number - Cu = 29, Ti = 22, Zn = 30, Sc = 21)
Concept: undefined >> undefined
