Oxidation states of P in {tex}H_4 P_2 O_5, H_4 P_2 O_6, H_4 P_2 O_7{/tex} are respectively.
The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is
Which substance serves as a reducing agent in the following reaction, {tex}14H^{+} + Cr_2O^{2-}_7 + 3Ni \rightarrow 2Cr^{3+} + 7H_2O + 3Ni^{2+}{/tex}
If n(A) = 4, n(B) = 3, n ( A✗ B ✗ C) = 24, then n(C) is equal to
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
The radius of the coil which has 10 turns is 0.1m. The current required to produce a deflection of 60° (Bh = 4×10-5T)
The correct IUPAC name of the acid
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. The force constant of the longer piece will be
Auto reduction is employed in the metallurgy of :
Under which one of the following conditions, does the reaction take place,
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