HSC 2027 CHEMISTRY CHAPTER 7 ELEMENTS OF GROUP 16,17,18
MOST EXPECTED QUESTIONS
1. WHICH PRODUCT IS OBTAINED WHEN SELENIUM IS TREATED WITH MAGNESIUM METAL
2. EXPLAIN THE TRENDS IN PROPERTIES OF GROUP 17 ELEMENTS LIKE ATOMIC RADII AND ELECTRONEGATIVITY
3. EXPLAIN ANOMALUS BEHAVIOUR OF FLOURINE
4. WRITE THE USES OF HELIUM
5. WHAT ARE INTERHALOGEN COMPOUNDS
6. WRITE THE CHEMICAL REACTION OF CHLORINE & SLAKED LIME
7. WRITE 2 USES OF NEON , SULPHUR ,DIOXYGEN
8. EXPLAIN ANOMALOUS BEHAVIOUR OF OXYGEN WITH RESPECT TO ATOMICITY,MAGNETIC PROPERTY ,OXIDATION STATE
9. DRAW THE STRUCTURES OF CHORIC ACID ,PEROXY DISULPHURIC ACID ,SULPHORUS ACID.
10. BLEACHING ACTION OF OZONE IS CALLED DRY BLEACH GIVE REASON
11. GROUP 16 ELEMENTS HAVE LOWER IONISATION AS COMPARED TO GROUP 15 GIVE REASONS
12. EXPLAIN THE TRENDS IN PROPERTIES OF GROUP 16 ELEMENTS LIKE ATOMIC RADII AND ELECTRONEGATIVITY IONIC RADII , IONIZATION ENTHALPHY
13. DIFFERENCE BETWEEN FLOURINE AND OTHER HALOGENS
14. WHAT ARE OXIDES . WRITE ITS DIFFERENT TYPES WITH EXAMPLES
15. WRITE THE ACTION OF CONCENTRATED H2SO4 ON COPPER
16. WRITE THE CHEMICAL EQUATION OF PREPARATION OF SULPHUR DIOXIDE FROM SULPHUR.