Complete the reactions :
(i) `Na_2Cr_2O_7 + KCl rarr `
(ii) `2MnO_(2) + 4KOH + O_2 rarr `
(iii) `MnO_(4)^(-) + C_2O_(4)^(2-) + H^+ rarr `

Complete the following reactions (i) O_(2)^(2-)+H_(2)O rarr (ii) O_(2)^(-) +H_(2)O rarr

Complete the following reactions : C_2H_4+O_2 rarr

Complete the reactions : (NH_4)_2Cr_2O_7 oversetDeltato …. + N_2 + 4H_2O

Complete the following reaction: (i) Cl_(2) + H_(2)O rarr (ii) XeF_(6) + 3H_(2)O rarr

Consider the following reactions : (i) C_(2)O_(4)^(2-) rarr CO_(2) (ii) SO_(4)^(2-) rarr SO_(3)^(2-) (iii) MnO_(4)^(2-) rarr MnO_(4)^(-) (iv) Fe^(3+) rarr Fe^(2+) Choose the correct answer -

Complete the following chemical equations : (i) Cr_(2)O_(7)^(-) + H^(+) + I^(-) rarr (ii) MnO_(4)^(-) + NO_(2)^(-) + H^(+) rarr

Complete the following chemical equations : (i) HgCl_2 + PH_3 rarr (ii) SO_3 + H_2SO_4 rarr (iii) XeF_4 + H_2O rarr

How would you account for the following? (i) Transition metals exhibits variable oxidation state. (ii) Zr(Z=40) and Hf(Z=72) have almost identical radii. (iii) Transition metals and their compounds act as catalyst. OR Complete the following chemical equation: (i) Cr_(2)O_(7)^(2-)+6Fe^(2+)+14H^(+)rarr (ii) CrO_(4)^(2-)+2H^(+)rarr (iii) 2MnO_(4)^(2-)+5C_(2)O_(4)^(2-)+16H^(+)rarr

Complete the following chemical equations: (i) Na_2CrO_4+H_2SO_4to (ii) MnO_2+KOH+O_2to (iii) HgCl_2+SnCl_2 to

Complete the following reactions : C_2H_4 + H_2O overset(H_2SO_4) rarr