CBSE Class 12 Chemistry The P Block Elements Worksheet Set F

Read and download free pdf of CBSE Class 12 Chemistry The P Block Elements Worksheet Set F. Download printable Chemistry Class 12 Worksheets in pdf format, CBSE Class 12 Chemistry Unit 7 The p-Block Elements Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Chemistry Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

Unit 7 The p-Block Elements Chemistry Worksheet for Class 12

Class 12 Chemistry students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Chemistry will be very useful for tests and exams and help you to score better marks

Class 12 Chemistry Unit 7 The p-Block Elements Worksheet Pdf

The p- Block Elements
 
1. Why does NO2 dimerise?
 
2. Fluorine does not exhibit any positive oxidation state. Why? (2010)
 
3. What happens when H3PO3 is heated?
 
4. Name a compound in which chlorine displays ‘+7’ oxidation number.
 
5. On heating Cu turnings with conc. HNO3, a brown coloured gas is evolved which on cooling dimerises. Identify the gas.
 
6. Explain why
a) Noble gases form compounds with oxygen and fluorine only.
b) Unlike phosphorous, nitrogen has no tendency for catenation.
 
7. Complete the following reactions:
a) Zn + HNO3(conc.) →
b) Cl2 + NaOH (hot, Con) →
 
8. Give equations for the manufacture of
a) Ammonia from nitrogen b) Nitric acid from ammonia
 
9. Arrange the following in order of the property mentioned.
a) HF, HCl, HBr, HI (increasing acid strength)
b) NH3, PH3, AsH3, SbH3 (increasing basic strength)
c) HOCl, HOClO, HOClO3 (increasing oxidizing power)
 
10. What are interhalogen compounds? How are they prepared? Why are they more reactive than molecular halogens?
 
11. Explain why
a) H2S is gas while water is liquid at room temperature.
b) Helium is used in diving apparatus.
c) Iron dissolves in HCl to form FeCl2 and not FeCl3.
 
12. a) Account for the following :
i) Bond angle in NH4+ is greater than that in NH3.
← ii) Reducing character decreases from SO2 to TeO2.
← iii) HClO4 is a stronger acid than HClO.
(b) Draw the structures of the following :
i) H2S2O8
ii) XeOF4
 
13. a) Complete the following chemical equation:
i) S8 + HNO3(conc.)→
ii) P4+ NaOH + H 2O →
b) Explain the following observations:
i) Sulphur in vapour state exhibits paramagnetic behavior.
ii) The stability of +3 state increases down the group in group 15 of the periodic table.
iii) XeF2 has a linear shape and not a bent structure.


Please click on below link to download CBSE Class 12 Chemistry The P Block Elements Worksheet Set B

Unit 7 The p-Block Elements CBSE Class 12 Chemistry Worksheet

The above practice worksheet for Unit 7 The p-Block Elements has been designed as per the current syllabus for Class 12 Chemistry released by CBSE. Students studying in Class 12 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 12 Chemistry on a daily basis. All the latest practice worksheets with solutions have been developed for Chemistry by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 12 Chemistry students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 12 Chemistry to develop the Chemistry Class 12 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 12 Chemistry designed by our teachers. After solving these you should also refer to Class 12 Chemistry MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 12 Chemistry which you can use to further make yourself better in Chemistry.

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