27 JEE Main 2023 p Block Elements (Group 15, 16, 17 & 18) previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 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.
One mole of P 4 reacts with 8 moles of SOCl 2 to give 4 moles of A , x mole of SO 2 and 2 moles of B . A ,   B and…
The correct group of halide ions which can be oxidised by oxygen in acidic medium is
The difference in the oxidation state of Xe between the oxidised product of Xe formed on complete hydrolysis of XeF 4 a…
XeF 4 reacts with SbF 5 to form XeF m n + SbF y 2 -   m + n + y + z =     ? .
A chloride salt solution acidified with dil. HNO 3 gives a curdy white precipitate, [ A ] , on addition of AgNO 3 . [A]…
An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is :
Reaction of thionyl chloride with white phosphorus forms a compound [ A ] , which on hydrolysis gives [ B ] , a dibasic…
Match List-I with . List-I Name of reaction List-II Reagent used A Hell-Volhard Zelinsky reaction I NaOH   +  …
The oxidation sate of phosphorus in hypophosphoric acid is
Formulae for Nessler's reagent is:
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