In how many of the following compounds of sulphur, the oxidation state of sulphur atom is + 6 ? H_(2)S_(2)O_(8), H_(2)SO_(5),H_(2)SO_(3), H_(2)SO_(4),H_(2)S_(2)O_(7), SO_(2) CL_(2), SOCL_(2)
Amongst the following ions which one has the highest magnetic moment value? (i) [Cr(H_(2)O)_(6)]^(3+) (ii) [Fe(H_(2)O)_(6)]^(2+) (iii) [Zn(H_(2)O)_(6)]^(2+)
The correct order of decreasing basicity of the following species is : H_(2)O, OH^(-), CH_(3)OH, CH_(3)O-
In the reaction the stoichiometry coefficients of Cr_(2)O_(7)^(2-) , NO_2^(-) and H^(+) respectively are Cr_(2)O_(7)^(2-) +NO_(2)^(-) +H^(+) rarr Cr^(3+) +NO_(3)^(-) +H_(2)O
In the reaction the stoichiometry coefficients of Cr_(2)O_(7)^(2-), NO_(2)^(-) and H^(+) respectively are Cr_(2)O_(7)^(2-)+NO_(2)^(-)+H^(+)rarrCr^(3+)+NO_(3)^(-)+H_(2)O
In the following two reactions, (i) 2H_(2)O_(2) rarr 2H_(2)O + O_(2) (ii) H_(2)0_(2) + 2I^(-) + 2H^(+) rarr I_(2) + 2H_(2)O H_(2)O_(2) acts as
Balance the following chemical equations. (AS1) (a) NaOH + H_(2)SO_(4) to Na_(2)SO_(4) + H_(2)O (b) Hg (NO_(3)) + KI to HgI_(2) + KNO_(3) (c) H_(2) + O_(2) to H_(2)O (d) KClO_(3) to KCl + O_(2) (e) C_(3)H_(8) + O_(2) to CO_(2) + H_(2)O
Identify the reactions in which dichromate acts as an oxidising reagent . I . Cr_(2)O_(7)^(2)+6Fe^(2+)+14H^(+)rarr 2Cr^(3+) +6Fe^(3+)+7H_(2)O II. Cr_(2)O_(7)^(2-)+2OH^(-1) rarr2CrO_(4)^(2-)+H_(2)O III. Cr_(2)O_(7)^(2-)+6I+14H^(+)rarr 2Cr^(3+)+3I_(2)+7H_(2)O IV. Na_(2)Cr_(2)O_(7)+2KCI rarr K_(2)Cr_(2)O_(7)+2NaCI
Oxidation state of P in H_(4)P_(2)O_(5), H_(4)P_(2)O_(6), H_(4)P_(2)O_(7) are respectively
Identify the correct sequence of increasing number of pi- bonds in the structures of the following molecules. I. H _(2) S_(2) O_(6) II. H_(2)SO_(3) III. H_(2)S_(2) O_(5)
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
