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K(2)Cr(2)O(7)+NaoH to CrO(4)^(2-)...

`K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)`

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Find the number of reaction (s) in which no redox change takes place: (a). BaCl_(2)+Na_(2)CrO_(4)overset(CH_(3)COOH)to (b). K_(2)Cr_(2)O_(7)+NaOHto (c). Cr_(2)O_(7)^(2-)+NO_(3)^(-)overset(H^(+))to (d). Cr_(2)O_(7)^(2-)+C_(2)H_(5)Ohoverset(H^(+))to

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In the conversion of K_(2)Cr_(2)O_(7) to K_(2)CrO_(4) , the oxidation number of chromium.

In the reaction, Cr_(2)O_(7)^(2-)+H_(2)O to 2CrO_(4)^(2-)+2H^(+) Cr undergoes

Statement-1: K_(2)Cr_(2)O_(7)+2NaCl toNa_(2)Cr_(2)O_(7)+2KCl Statement-2: K_(2)Cr_(2)O_(7) is less soluble than Na_(2)Cr_(2)O_(7) .

How many of the following are square palanar? (a) Ni(dmg)_(2)" "(b) [Ni(CN)_(4)]^(2-) (c ) [Ni(CN)_(4)]^(4-)" "(d) [Ni(CO)_(4)] (e ) [Ni(Cl)_(4)]^(2-)" "(f) K_(2)Cr_(2)O_(7) (g) K_(2)CrO_(4)" "(h) KMnO_(4) (i) K_(2)MnO_(4)" "(j) CrO_(2)Cl_(2)

VK JAISWAL-TYPES OF REACTIONS-SUBJECTIVE PROBLEMS
  1. K(2)Cr(2)O(7)+NaoH to CrO(4)^(2-)

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  2. Find total number of reagnets which cann produce I(2) from KI solution...

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  3. Find total number of metal cations which are ppted as metal sulphide o...

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  4. Consider the following reaction P(4)+KOH to PH(3)+X How many P-H bon...

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  5. Which of the following species/reagent can reduce Fe^(3+)(aq.) into Fe...

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  6. Find out number ionic compound(s0 which is/are water insoluble at room...

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  7. Find the value of expression |x-| for following compounds. where, ...

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  8. Find out total number of coloured compound(s) from following: BaCO(3...

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  9. Find out total number of cation(s) that produce precipitate with aqueo...

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  10. P(4)+SOCl(2) overset(Delta)toProducts Find out total number of non-p...

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  11. What is average oxidation state state of sulphur in product formed in ...

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  12. find out total number of coloured/black water insoluble compound(s) fr...

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  13. Find out total number of compounds which on heating undergo redox reac...

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  14. How many following Ammonium salts will evolve N(2) gas on heating? (...

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  15. How many following metals evolve NO (Nitric oxide) gas with dil. HNO(3...

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  16. Find number of basic radicals among the following cations, which can f...

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  17. Calculate difference between oxidation state of chromium (Cr) in blue ...

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  18. If hydrolysis of interhalogen compound can be represented by following...

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  19. Total number of species that can be oxidzed by acidic permanganate ion...

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  20. How many following metals evolve N(2)O gas with dil. HNO(3) (20%) Cr...

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  21. How many following ammonium salts will evolve NH(3) gas on heating? ...

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