EASY
12th ICSE
IMPORTANT
Earn 100

Explain why nitrogen does not form pentahalides.

Important Questions on p-Block Elements

EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 3
Explain why helium is used for filling weather balloons.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 4
Explain why ICl is more reactive than I2.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 5
Draw the structure of HClO4.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 6
Draw the structure of H3PO3.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 7
Explain why mercury loses its meniscus in contact with ozone.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 8
Explain why halogens are coloured and the colour deepens on moving down in the group from fluorine to iodine.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2018>Q 9
Explain why hydride of sulphur is a gas while hydride of oxygen is a liquid.
EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - p-Block Elements>ICSE-2019>Q 10
The correct order of increasing acidic strength of the oxoacids of chlorine is: