4 JEE Main 2020 p Block Elements (Group 13 & 14) 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 13 & 14) 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 13 & 14) chapter hub.
On heating, lead (ll) nitrate gives a brown gas (A). The gas (A) on cooling changes to a colourless solid/liquid (B). (…
On heating compound A gives a gas B which is constituent of air. This gas when treated with H 2 in the presence of a ca…
‘ X ’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X is:
The reaction of H 3 N 3 B 3 C l 3 A with L i B H 4 in tetrahydrofuran gives inorganic benzene B . Further, the reaction…