Pb 3 O 4 + 4 HNO 3 → 2 Pb NO 3 2 + PbO 2 + 2 H 2 O Which is TRUE about the lead ions in Pb 3 O 4 ?

Pb + 2 reacts with HNO 3 to give lead nitrate

Pb + 4 reacts with HNO 3 to give lead nitrate

Pb + 2 reacts with HNO 3 to give PbO 2

Pb + 4 reacts with HNO 3 to give PbO 2

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Out of the following the correct statement(s) is/are

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Important Questions on The p-Block Elements-Group 14 (Carbon Family)

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

α -

chlorosodium acetate on boiling with aqueous sodium nitrite gives

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

The correct order of catenation is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

{AlF}_{3}

is soluble in

HF

only in presence of

KF

. It is due to the formation of

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Identify the correct statements from the following.

i) Quartz is a piezoelectric material
ii) All group $14$ tetrachlorides except ${CCl}_{4}$ are easily hydrolyzed in water.
iii) The $C - C$ bond distance within the layer of graphite is $154 pm$ .
iv) ${SiO}_{2}$ is soluble in aqueous $HCl$ solution.

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

The relative order of electronegativity of

C, Ge

, and

Pb

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

The hybridizations of carbon in graphite, diamond and

C_{60}

are respectively

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Good reducing nature of

H_{3} P O_{2}

is attributed to the presence of:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Compound

A

used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound

A

is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

The correct order of bond enthalpy (

kJ {mol}^{- 1}

) is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

The product obtained as a result of a reaction of nitrogen with

C a C_{2}

is:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Identify the incorrect statement from the following

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Identify the correct statements

I)

Germanium exists only in traces.

II)

The order of electronegativity of

Si, Ge, Sn

Sn > Ge > Si

III)

All group

14

elements are available in solid state

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

An allotrope of carbon which exhibits only two types of

C - C

bond distance of

143.5 pm

and

138.3 pm

, is

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

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>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

{Pb}_{3} O_{4} + 4 {HNO}_{3} \to 2 Pb {({NO}_{3})}_{2} + {PbO}_{2} + 2 H_{2} O

Which is TRUE about the lead ions in

{Pb}_{3} O_{4}

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

When aqueous solutions of borax is acidified with

HCl

, we get

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Among the following, the number of halide(s) which is/ are inert to hydrolysis is

(A) ${BF}_{3}$
(B) ${SiCl}_{4}$
(C) ${PCl}_{5}$
(D) ${SF}_{6}$

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Iodine reacts with concentrated

H N O_{3}

to yield

Y

along with other products. The oxidation state of iodine in

Y

, is:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

Which statement is incorrect in context with Anthracite?

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 14 (Carbon Family)>Group 14 Elements: The Carbon Family

The element that does not show catenation is

Out of the following the correct statement(s) is/are

Important Questions on The p-Block Elements-Group 14 (Carbon Family)

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