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At room temperature, polonium Crystallises in a primitive cubic unit cell. If a = 3.36 Å. Calculate the theoretical density of polonium. [It's atomic weight is 209 g/mol.]
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The IUPAC name of the coordination compound \[\ce{[Co(H2O)2 (NH3)4]Cl3}\] is ______.
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Which among the following compounds is not a colourless gas?
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Whicli of the following is an example of green chemistry?
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The IUPAC name of complex ion \[\ce{[Cr(NH3)4Cl2]+}\] is ______.
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The half-life of first order reaction is 1.7 hour. What is its rate constant?
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According to Faraday's first law, ______
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For an ideal binary liquid solution with `"p"_"A"^circ > "P"_"B"^circ`, which is a relation between XA (mole fraction of A in liquid phase) and YA (mole fraction of A in vapour phase) is correct, XB and YB are mole fractions of B in liquid and vapour phase respectively?
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Total vapour pressure of a mixture of 1 mole A`("p"_"A"^circ = 150 " torr")` and 2 mole B`("p"_"B"^circ = 240 " torr")` is 200 mm. In this case, ______.
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In hexagonal close packed (hep) structure, ____________ layer and ____________ layer have horizontal and vertical alignment.
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What is the potential of a half-cell consisting of zinc electrode in 0.01 M ZnSO4 solution at 25°C (E0 = −0.763 V)?
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Which of the following shows optical isomerism?
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The halide that undergoes sp3d hybridisation is ____________.
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The CORRECT decreasing order of the basic strength of amines in aqueous solution is:
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Identify the INCORRECT statement.
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____________ and ____________ are the rarest elements of the group 18.
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A metal crystallizes in bcc lattice with edge length 4.48 Å. The radius of the metal atom is ___________ Å.
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In the Wolff-Kishner reduction of alkyl aryl ketones, ketones are first converted into ____________.
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Identify the properties of group 17 elements that show decreasing trend down the group.
i. Atomic radius
ii. Ionisation enthalpy
iii. Electronegativity
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Which one of the following ions has same number of unpaired electrons as those present in V3+ ion?
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