p-block – JEE Advanced Previous Year Questions with Solutions

JEE Advanced Previous Year Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Advanced Previous Year Papers Questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas.

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Previous Years JEE Advance Questions

Comprehension (Q. 10 and 11)

The reaction of $\mathrm{Cl}_{2}$ gas with cold dilute and hot concentrated NaOH in water give sodium salt of two (different) oxoacids of chlorine P and Q respectively. The $\mathrm{Cl}_{2}$ gas reacts with $\mathrm$\mathrm{SO}_{2}$gas , in presence of charcoal to give a product R. R reacts with white phosphorous to give a compound S. On hydrolysis, S gives as oxoacid of phosphorous T.

Paragraph for Q.24 & 25

Upon heating $\mathrm{KClO}_{3}$ in the presence of catalytic amount of

$\mathrm{MnO}_{2}$ , a gas W is formed. Excess amount of W reacts with white

phosphorus to give X. The reaction of X with pure $\mathrm{HNO}_{3}$ gives Y and Z.

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