14 JEE Main 2020 p Block Elements (Group 15, 16, 17 & 18) previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the p Block Elements (Group 15, 16, 17 & 18) chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the p Block Elements (Group 15, 16, 17 & 18) chapter hub.
Aqua regia is used for dissolving noble metals (Au, Pt, etc.). The gas evolved in this process is
The reaction of NO with N 2 O 4 at 250   K gives :
Chlorine reacts with hot and concentrated N a O H and produces compounds X and Y . Compound X gives white precipitate w…
The correct statement with respect to dinitrogen is:
The presence of soluble fluoride ion upto 1 ppm concentration in drinking water, is :
In the following reactions, products A and B , respectively, are: N a O H + C l 2 → A + s i d e   p r o d u…
The number of bonds between sulphur and oxygen atoms in S 2 O 8 2 - and the number of bonds between sulphur and sulphur…
Reaction of ammonia with excess C l 2 gives :
The volume (in mL ) of 0 . 1   N   NaOH required to neutralise 10   mL   of   0 . 1   N p…
White phosphorus on reaction with concentrated N a O H solution in an inert atmosphere of C O 2 gives phosphine and com…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.