Match the following: a Pure nitrogen i Chlorine b Haber process i i Sulphuric acid c Contact process i i i Ammonia d Deacon’s process i v Sodium azide or Barium azide Which of the following is the correct option?

a - i v ; b - i i i ; c - i i ; d - i

a - i ; b - i i ; c - i i i ; d - i v

a - i i ; b - i v ; c - i ; d - i i i

a - i i i ; b - i v ; c - i i ; d - i

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$({NH}_{4})_{2} {Cr}_{2} O_{7}$ on heating gives a gas which is also given by which of the following?

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Important Questions on p- Block Elements

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Among the following compounds, the one which does NOT produce nitrogen gas upon heating is

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

On heating ammonium dichromate and barium azide separately, we get

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Very pure dinitrogen can be obtained by the thermal decomposition of which substance?

HARD

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

In which of the following reactions there is no liberation of nitrogen gas

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

The correct statement with respect to dinitrogen is:

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Which one of the following processes does not produce dinitrogen?

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Pure nitrogen gas is prepared in the laboratory by heating a mixture of _______

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Identify the correct statement from the statements given below.

HARD

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Identify the reactions in which $N_{2}$ is liberated.

$(a)$ ${({NH}_{4})}_{2} {SO}_{4} + NaOH ⟶$

$(b)$ ${NH}_{3} + {Cl}_{2} ⟶$ (excess)

$(c)$ ${({NH}_{4})}_{2} {Cr}_{2} O_{7} \overset{Δ}{⟶}$

$(d)$ ${NH}_{4} {NO}_{3} \overset{Δ}{⟶}$

$(e)$ ${NH}_{4} {Cl}_{(aq)} + {NaNO}_{2 (aq)} ⟶$

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Very pure

N_{2}

can be obtained by

HARD

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

{({NH}_{4})}_{2} {Cr}_{2} O_{7}

on heating liberates a gas. The same gas will be obtained by

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Match the following:

$(a)$	Pure nitrogen	$(i)$	Chlorine
$(b)$	Haber process	$(i i)$	Sulphuric acid
$(c)$	Contact process	$(i i i)$	Ammonia
$(d)$	Deacon’s process	$(i v)$	Sodium azide or Barium azide

Which of the following is the correct option?

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

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

C a C_{2}

is:

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

The gas produced by treating an aqueous solution of ammonium chloride with sodium nitrite is

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

When copper is heated with conc.

H N O_{3}

it produces:

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

Good reducing nature of

H_{3} P O_{2}

is attributed to the presence of:

EASY

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

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>p- Block Elements>Method of Preparation Dinitrogen

N_{2}

DOES NOT show property of catenation because,

HARD

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

On heating compound

(A)

gives a gas

(B)

which is constituent of air. This gas when treated with

H_{2}

in the presence of a catalyst gives another gas

(C)

which is basic in nature.

(A)

should not be :

MEDIUM

Chemistry>Inorganic Chemistry>p- Block Elements>Method of Preparation Dinitrogen

The compound that does not produce nitrogen gas by thermal decomposition is:

(NH4)2Cr2O7 on heating gives a gas which is also given by which of the following?

Important Questions on p- Block Elements

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$({NH}_{4})_{2} {Cr}_{2} O_{7}$ on heating gives a gas which is also given by which of the following?