7 JEE Main 2018 p Block Elements (Group 15, 16, 17 & 18) previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 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.
Among the oxides of nitrogen: N 2 O 3 ,   N 2 O 4   a n d   N 2 O 5 ; the molecule ( s ) having nitrogen…
The number of P-O bonds in P₄ O₆ is:
Xenon hexafluoride on partial hydrolysis produces compounds 'X' and 'Y' and the respective oxidation states of Xe are:
A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solut…
In XeO₃ ~F₂, the number of bond pair(s), π-bond(s) and lone pair(s) on Xe atom respectively are:
The compound that does not produce nitrogen gas by thermal decomposition is:
Xenon hexafluoride on partial hydrolysis produces compounds ' X ' and ' Y '. Compounds ' X ' and ' Y ' and the oxidatio…