Equilibrium

JEE Main · Chemistry · 15 past questions

These are the board's own papers. 170 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q1 2026 2 Apr Shift 1

   19.5 g of fluoro acetic acid (molar mass = 78 g mol$^{-1}$) is dissolved in 500 g of water at 298 K. The…

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2. Q3 2026 2 Apr Shift 2

   The first and second ionization constants of a weak dibasic acid $H_2A$ are $8.1 \times 10^{-8}$ and…

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3. Q9 2026 5 Apr Shift 1

   Arrange the following resultant mixtures in increasing order of their pH values…

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4. Q12 2026 6 Apr Shift 2

   Given is a concentrated solution of a weak electrolyte A_xB_y of concentration 'c' and dissociation constant…

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