Aqueous solution of nickel sulphate on treating with pyridine and then adding a solution of sodium nitrate gives dark blue crystals of:

[N i (p y)_{4}] S O_{4}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

[N i (p y)_{2} (N O_{2})_{2}]

No worries! We‘ve got your back. Try BYJU‘S free classes today!

[N i (p y)_{4} (N O_{2})_{2}]

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

[N i (p y)_{3} (N O_{2})]_{2} S O_{4}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $[N i (p y)_{4} (N O_{2})_{2}]$
$N i S O_{4} + P y ⟶ [N i [P y]_{4}]^{2 +} S O_{4}^{2 -}$
$[N i [P y]_{4}]^{2 +} S O_{4}^{2 -} + N a N O_{3} \to [N i (P y)_{4} (N O_{2})_{2}]$ (Blue crystal)

Suggest Corrections

Similar questions

Q. Write balanced chemical equations for the following reactions:
(i) A mixture of potassium dichromate and sodium chloride is heated with concentrated

H_{2} {S O}_{4}

.
(ii) Aqueous solution of sodium nitrate is heated with zinc dust and caustic soda solution.
(iii) Sodium iodate is added to a solution of sodium bisulphite.
(iv) Iron reacts with cold dilute nitric acid.
(v) Potassium permanganate is added to a hot solution of manganous sulphate.

1.An aqueous solution of lead nitrate is added to sodium sulphate.

2. Zinc sulphide pellets are added to an aqueous solution of HCL

complete the following reaction to predirect the products formed:

i. An aqueous solution of lead nitrate is added to sodium sulphate.

ii. Zinc sulphate pellets are added to an aqueous solution of hydrocloric acid.

(a) State what happens when:
(i) Copper sulphate solution is electrolysed using a platinum anode.
(ii) Excess ammonia is passed through an aqueous solution of lead nitrate.
(iii) Washing soda is left exposed to dry air for long time.
(iv) Silver nitrate solution is added to dil. HCl.
(v) Hot concentrated sulphuric acid is added to sodium chloride crystals.

Q. A metal nitrate on reaction with excess sodium hydroxide solution gives a white precipitate but it rapidly turns brown on adding bromine water. Aqueous solution of metal nitrate produces a pink precipitate with disodium hydrogen phosphate solution in the presence of ammonia. The cation is:

Join BYJU'S Learning Program

Aqueous solution of nickel sulphate on treating with pyridine and then adding a solution of sodium nitrate gives dark blue crystals of:

The correct option is D [Ni(py)4(NO2)2]NiSO4+Py⟶[Ni[Py]4]2+SO2−4[Ni[Py]4]2+SO2−4+NaNO3→[Ni(Py)4(NO2)2](Blue crystal)

The correct option is D $[N i (p y)_{4} (N O_{2})_{2}]$
$N i S O_{4} + P y ⟶ [N i [P y]_{4}]^{2 +} S O_{4}^{2 -}$
$[N i [P y]_{4}]^{2 +} S O_{4}^{2 -} + N a N O_{3} \to [N i (P y)_{4} (N O_{2})_{2}]$ (Blue crystal)