A tin chloride Q undergoes the following reactions (not balanced) Q + C l - → X Q + M e 3 N → Y Q + C u C l 2 → Z + C u C l X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds. Choose the correct option(s).

There is a coordinate bond in Y

The oxidation state of the central atom in Z is + 2

The central atom in Z has one lone pair of electrons

Match the items in Column I with its main use listed in Column II : Column I Column II A Silica gel i . Transistor B Silicon ii . Ion-exchanger C Silicone iii . Drying agent D Silicate iv . Sealant

A - iii , B - i , C - iv , D - ii

A - iv , B - i , C - ii , D - iii

A - ii , B - i , C - iv , D - iii

A - ii , B - iv , C - i , D - iii

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An inorganic salt(S) reacts with ${BaCl}_{2}$ solution to produce ppt. $(P)$ which is insoluble in dil. $HCl$ . Acidified green coloured aqueous solution of salt (S) is converted to yellow on long exposure of air, on bubbling $H_{2} S$ in yellow solution elemental sulphur is produced.
Select CORRECT for given reactions.

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Important Questions on Inorganic Qualitative Analysis

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

The basic structural unit of feldspar, zeolites mica, and asbestos is:

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Example of a three-dimensional silicate is :

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

A tin chloride

Q

undergoes the following reactions (not balanced)

Q + C l^{-} \to X

Q + M e_{3} N \to Y

Q + C u C l_{2} \to Z + C u C l

X

is a monoanion having pyramidal geometry. Both

Y

and

Z

are neutral compounds. Choose the correct option(s).

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

The correct statement about silicone is

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

{Fe}^{3 +}

cation gives a prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Identify the correct statements from the following:
(a)

{CO}_{2} (g)

is used as a refrigerant for ice cream and frozen food.
(b) The structure of

C_{60}

contains twelve six-membered carbon rings and twenty-five membered carbon rings.
(c)

ZSM - 5

, a type of zeolite, is used to convert alcohols into gasoline.
(d)

CO

is a colourless and odourless gas.

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Match the items in Column

I

with its main use listed in Column

II

	Column $I$		Column $II$
$A$	Silica gel	$i .$	Transistor
$B$	Silicon	$ii .$	Ion-exchanger
$C$	Silicone	$iii .$	Drying agent
$D$	Silicate	$iv .$	Sealant

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Si

reacts with

{CH}_{3} Cl

573 K

in the presence of

Cu

powder to form methyl substituted chlorosilanes. Among the given methyl substituted chlorosilanes, whose yield is minimum?

HARD

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Acidic ferric chloride solution on treatment with excess of potassium ferrocyanide gives a Prussian blue coloured colloidal species. It is:

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

What is the chief constituent of pyrex glass?

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Among the following substituted silanes, the one which will give rise to cross linked silicone polymer on hydrolysis is?

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Question Image

What are $A, B, C, D$ ?

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

What product is formed when

HF

reacts with glass?

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Among the following substituted silanes, the one which will give rise to cross-linked silicone polymer on hydrolysis is:

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Identify the correct statements from the following:

a) Silicones are hydrophobic in nature.

b) The repeating unit in silicones is

Question Image

c) In a $C_{60}$ molecule, twenty $C_{6}$ rings and twelve $C_{5}$ rings are present.

d) Dehydration of formic acid by concentrated $H_{2} {SO}_{4}$ at $100^{o} C$ gives ${CO}_{2}$ .

e) The distance between two layers in graphite is $34 pm$ .

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Formic acid reacts with concentrated

H_{2} {SO}_{4}

100 ° C

to liberate

A

. When

A

is passed over heated ferric oxide,

B

and

C

are formed. What are

A, B

and

C

, respectively?

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Identify the incorrect statements from the following

I .

Tin in

+ 2

state acts as reducing agent while lead in

+ 4

state acts as strong oxidising agent.

II .

Silicon exists as both

{[{SiF}_{6}]}^{2 -}

and

{[{SiCl}_{6}]}^{2 -}

forms.

III .

The hybridisation of carbon in fullerene is

{sp}^{3}

IV .

Among

Ge, Sn

and

Pb

lowest melting point is for

Sn

MEDIUM

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

The gas evolved on heating

{CaF}_{2}

and

{SiO}_{2}

with concentrated

H_{2} {SO}_{4}

, on hydrolysis gives a white gelatinous precipitate. The precipitate is:

EASY

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

Distinguish between the following pair of compounds using the reagent given in the bracket.

Ferrous sulphate solution and ferric sulphate solution. (using sodium hydroxide solution)

HARD

Chemistry>Practical Chemistry>Inorganic Qualitative Analysis>Tests for Iron(III) Ion

An aqueous solution of a salt X turns blood red on treatment with

S C N^{-}

and blue on treatment with

K_{4} [F e {(C N)}_{6}]

, X also gives a positive chromyl chloride test. The salt X is:

Important Questions on Inorganic Qualitative Analysis

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