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d and f Block Elements

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Statement I : Leaching of gold with cyanide ion in absence of air / O2 leads to cyano complex of Au(III).
Statement II : Zinc...
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Which amongst the given plots is the correct plot for pressure (p) vs density (d) for an ideal gas?
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Manganese (VI) has ability to disproportionate in acidic solution. The difference in oxidation states of two ions it forms in acidic solution is______
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The measured BOD values for four different water samples (A-D) are as follows: $\mathrm{A}=3 \mathrm{ppm}: \mathrm{B}=18 \mathrm{ppm}: \mathrm{C}-21 \mathrm{ppm}: \mathrm{D}=4 \mathrm{ppm}$. The water samples which...
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The most common oxidation state of Lanthanoid elements is +3. Which of the following is likely to deviate easily from +3 oxidation state?
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Which one of the following is an example of disproportionation reaction?
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The role of depressants in Froth Flotation method* is to
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Which of the following elements in considered as a metalloid?
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A rigid nitrogen tank stored inside a laboratory has a pressure of 30 atm at 06:00 am when the temperature is 27°C. At 03:00 pm,...
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The metal ion (in gaseous state) with lowest spin only magnetic moment value is
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