P,d,hydrogen

Question 1

Habers process batao

Answer 1

Question 2

Ammonia reaction with copper

Answer 2

Question 3

Preparation of NO

Answer 3

Question 4

N2O5 prep

Answer 4

Question 5

Why do Cr,Al not dissolve in HNO3

Answer 5

Because of formation of passive film of oxide

Question 6

Ostwalds process

Answer 6

Question 7

HNO3 reactions with Zn

Answer 7

Question 8

What does nitric acid oxidise I2 into

Answer 8

HIO3

Question 9

What tf is brown ring test

Answer 9

Question 10

Properties of White phosphorus

Answer 10

1- translucent waxy solid
2- poisonous and soluble in CS2 but not water

3-high strain structure thats why catches fire easily
4- glowy glowy

Question 11

Properties of red phosphorus

Answer 11

1-polymeric
2-obtained by heating white P at 573K for several days
3-non poisonous and insoluble in both CS2 and H2O

Question 12

Properties of black P

Answer 12

Question 13

How is phosphine purified

Answer 13

By absorbing in HI to fork PH4I.

Then treating with KOH to give pure Phosphine

Question 14

How is phosphone prepared(2 ways)

Answer 14

Question 15

What is hopmes signal chemicals

Answer 15

Calcium carbide and calcium phosphide

Question 16

Which phosphorus compound is a powerful chlorinating agent

Answer 16

Question 17

What are the anomalous behaviours of F and why?

Answer 17

Question 18

What does O2F2 oxidise plutonium into and what is it used for?

Answer 18

PuF6 and it is used to remove spent fuel from nuclear reactions as PuF6

Question 19

Stability of halogen oxide order

Answer 19

I>Cl>Br

Question 20

Which compounds do you heat to get O2

Answer 20

KMnO4,NaNO3,HgO,Ag2O

Also reduce H2O2 with MnO2

Question 21

List the uses of nitric acid according to Ncert

Answer 21

Question 22

Ways of preparation of Cl2

Answer 22

Question 23

Chlorine reactioj with ammonia

Answer 23

Question 24

Describe chlorine oxides

Answer 24