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Covalency and oxidation numbers of nitrogen in $N_{2} O_{5}$ is respectively

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Important Questions on The p-Block Elements

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Chemical nature of the nitrogen oxide compound obtained from a reaction of concentrated nitric acid and

P_{4} O_{10}

(in

4 : 1

ratio) is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which among the following compounds is used for the preparation of Nitrogen (IV) oxide?

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

The molecule with smallest

N - N

bond distance and higest

NNO

bond angle is

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Among the oxides of nitrogen:

N_{2} O_{3}, N_{2} O_{4} a n d N_{2} O_{5};

the molecule

(s)

having nitrogen - nitrogen bond is/are:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which one of the following does not possess a

N - N

bond?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which of the following compound on heating gives $N_{2} O ?$

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

{NO}_{2}

easily dimerises to

N_{2} O_{4}

because

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Excess of ammonia with sodium hypochlorite solution in the prescence of glue or gelatine gives:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Sodium nitrite is reacted with

H_{2} {SO}_{4}

to form

{NaHSO}_{4}, {HNO}_{3},

water and

X

. Gold is dissolved in aqua regia to form water,

{AuCl}_{4}^{-}

and

Y . X

and

Y

are respectively

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

What is the number of nitrogen-nitrogen bonds in

N_{2} O_{5}

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

The oxide without nitrogen-nitrogen bond is :

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

The most acidic oxide for nitrogen is

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which of the following oxy-acids has the maximum number of hydrogens directly attached to phosphorus?

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

A colourless, neutral, paramagnetic oxide of Nitrogen

' P'

on oxidation gives reddish brown gas

Q .

Q

on cooling gives colourless gas

R . R

on reaction with

P

gives blue solid

S .

Identify

P, Q, R, S

respectively.

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which among the following oxoacids of phosphorus shows a tendency of disproportionation?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

When copper is heated with conc.

H N O_{3}

it produces:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

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

C a C_{2}

is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which of the following oxides of nitrogen is blue in nature?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

Which among the following oxides of nitrogen is brown coloured gas?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Oxides of Nitrogen: Preparation, Structure, Properties and Uses

The reaction of

NO

with

N_{2} O_{4}

250 K

gives :

Covalency and oxidation numbers of nitrogen in N2O5 is respectively

Important Questions on The p-Block Elements

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Covalency and oxidation numbers of nitrogen in $N_{2} O_{5}$ is respectively