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d and f Block Elements

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Q JEE MAINS 2023
A obtained by Ostwald‟s method involving air oxidation of NH3, upon further air oxidation produces “B”. “B” on hydration forms an oxoacid of Nitrogen along...
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Highest oxidation state of Mn is exhibited in Mn2O7. The correct statements about Mn2O7 are
(A) Mn is tetrahedrally surrounded by oxygen atoms
(B) Mn...
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The bond dissociation energy is highest for
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Q JEE MAIN 2023
$\mathrm{Nd}^{2+}=$
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For 1 mol of gas, the plot of pV vs p is shown below. p is the pressure and V is the volume of the...
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Q JEE MAIN 2023
The magnetic moment of a transition metal compound has been calculated to be 3.87 B.M. The metal ion is
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Q JEE MAIN 2024
Number of colourless lanthanoid ions among the following is…. Eu^(3+),Lu^(3+),Nd^(3+),La^(3+),Sm^(3+)
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Q JEE MAIN 2024
The number of white coloured salts among the following is (A) SrSO_4 (B) Mg(NH_4 ) PO_4 (c) BaCrO_4 (D) Mn(OH)_2 (E) PbSO_4 (F) PbCrO_4 (G)...
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Identify the incorrect statements regarding primary standard of titrimetric analysis (A) It should be purely available in dry form. (B) It should not undergo chemical...
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Q JEE MAIN 2024
Given below are two statements : Statement (I) : Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution. Statement (II) :...
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