Iron II Sulph...

Iron II Sulphate

Trending Questions

Q. Phosphine reacts with copper sulphate solution to form:

Copper phosphide
Copper phosphate
Copper phosphite
Copper pyrophosphate

Q. Which of the following reactions involves disproportionation reaction 2H2SO4+Cu---CuSO4+2H2O+SO2 As2O3+3H2S---As2S3+3H2O 2KOH+Cl2---KCl+KOCl+H2O Ca3P2+6H2O---Ca(OH)2+2PH3

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2 g

of aluminium is treated separately with

H_{2} O

at high temperature and excess of

N a O H

. The ratio of the volumes of hydrogen evolved is

x : y

. Find the value of

x^{y}

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Q. 17.Why acidified solution of copper sulphate solution is used in electrolysis of copper instead of basic solutiom?

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Q. The aqueous solution of Iron (II) Sulphate is

Neutral
Amphoteric
Alkaline
Acidic

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Q. Which of the following metal sulphate will give

S O_{2}

and

S O_{3}

both gaseous products on heating?

$C u S O_{4}$
$F e S O_{4}$
$C a S O_{4}$
$F e_{2} (S O_{4})_{3}$

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What happens when (i) magnesium is burnt in air (ii) quick lime is heated with silica (iii) chlorine reacts with slaked lime (iv) calcium nitrate is heated ?

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Q. Choose the INCORRECT statement among the following?

Blister copper has blistered appearance due to evalution of $C O_{2}$
Copper matte contains $C u_{2} S$ and $F e S$
Wrought iron is purest form of commercial iron
Pig iron contains about $4 %$ carbon

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Q. Which of the following reactions does not take place during rusting?

$H_{2} C O_{3} ⇌ 2 H^{+} + C O_{3}^{2 -}$
$4 F e^{2 +} + O_{2 (d r y)} \to F e_{2} O_{3}$
$4 F e^{2 +} + O_{2} + 4 H_{2} O \to 2 F e_{2} O_{3} + 8 H^{+}$
$F e_{2} O_{3} + x H_{2} O \to F e_{2} O_{3} \cdot x H_{2} O$

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2 g

of aluminium is treated separately with

H_{2} O

at high temperature and excess of

N a O H

. The ratio of the volumes of hydrogen evolved is

x : y

. Find the value of

x^{y}

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Q. When both

N and S

are present in an organic compound, what colour does the sodium extract with

F e C l_{3}

give?

Green
Blue
Yellow
Red

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Q. Match the compounds given in Column-I with the products formed on heating/strong heating given in Column-II and select the correct answer with the code given below :

	Column-I		Column-II
(P)	$F e S O_{4} Δ - \to$	(1)	$S O_{2}$
(Q)	$B e S O_{4} Δ - \to$	(2)	$S O_{3}$
(R)	$N a N O_{3} > 300^{o} C - --- \to$	(3)	Oxide of metal
(S)	$(N H_{4})_{2} C r_{2} O_{7} Δ - \to$	(4)	$N_{2}$
		(5)	$O_{2}$

P(2, 3); Q(1, 4); R(2); S(1, 5)
P(1, 4, 5); Q(3, 4, 5); R(2, 3, 4); S(2, 3, 5)
P(1, 4, 5); Q(3, 5); R(1, 2, 3); S(2, 4, 5)
P(1, 2, 3, 5); Q(1, 2, 3, 5); R(3, 4, 5); S(3, 4)

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Q. Magnesium oxide is used for the lining in steel making furnace because:

$M g O$ acts as a basic flux to remove impurities of $S i, P$ and $S$
$M g O$ acts as an acidic flux to remove impurities of $S i, P$ and $S$
$M g O$ acts as an oxidising agent to remove impurities of oxides
$M g O$ does not react with any type of impurities

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Q. The reaction of the white phophorous on boiling with alkali in an inert atmosphere resulted in the formation of product 'A'. The reaction of 1 mole of 'A' with an excess of

A g N O_{3}

in an aqueous medium gives ____ mol(s) of Ag. (Round off to the Nearest integer).

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G r e e n V i t r i o l △ - --- \to 350^{o} C P (W h i t e s o l i d) + 7 H_{2} O (g); P △ - --- \to 800^{o} C Q (B r o w n S o l i d) + G_{1} (g a s) + G_{2} (g a s)

Find the correct option(s)?

$P$ is Ferrous Sulphate
$Q$ is ferric oxide
$G_{1}$ and $G_{2}$ are acidic gases
Both $G_{1}$ and $G_{2}$ formed in equimolar

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Q. Aqueous solution of light greenish crystalline compound reacts with potassium ferricyanide to give a deep blue coloured solution or precipitate. Its chemical formula is:

$F e F e [F e (C N)_{6}]_{2}$
$F e_{4} [F e (C N)_{6}]_{2}$
$F e_{3} [F e (C N)_{6}]_{2}$
none of these

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Q. Identify A and B in the following reaction

C_{2} H_{5} C l A \to C_{2} H_{5} O H B \leftarrow C_{2} H_{5} C l

A $=$ aq. $K O H$ , B $=$ $A g O H$
A $=$ alc. $K O H$ , B $=$ aq. $N a O H$
A $=$ aq. $N a O H$ , B $= A g N O_{3}$
A $= A g N O_{3}$ , B $= K N O_{2}$

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Q. A reducing agent is a substance which can.

Accept electrons
Accept protons
Donate electrons
Donate protons

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Q. Which of the following options is/are true when 4 moles of

F e S O_{4}

is strongly heated?

2 moles of $F e_{2} O_{3}$ are formed
2 moles of $S O_{2}$ are formed
2 moles of $S O_{3}$ are formed
4 moles of $F e O$ are formed

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Q. Which series of reactions correctly represents chemical reactions related to iron and its compounds?

$F e C l_{2}, h e a t - ---- \to F e C l_{3} h e a t, a i r - ---- \to F e C l_{2} Z n - \to F e$
$F e O_{2}, h e a t - --- \to F e_{3} O_{4} C O, 600^{\circ} C - ----- \to F e O C O, 700^{\circ} C - ----- \to F e$
$F e d i l H_{2} S O_{4} - ----- \to F e S O_{4} H_{2} S O_{4}, O_{2} - ----- \to F e_{2} (S O_{4})_{3} H e a t - -- \to F e$
$F e O_{2}, h e a t - --- \to F e O d i l, H_{2} S O_{4} - ----- \to F e S O_{4} H e a t - -- \to F e$

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Q. During the finishing of steel, sheets of rods of steel are treated with pickling baths of Sulphuric acid. This is performed to remove the impurities (oxide layer, scales, etc.) on the surface of the steel but this process also produces a by-product in large quantities. Which of the following could be that by-product?