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1
JEE Advanced 2025 Paper 2 Online
MCQ (More than One Correct Answer)
+4
-2
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For the reaction sequence given below, the correct statement(s) is(are)

JEE Advanced 2025 Paper 2 Online Chemistry - Alcohols, Phenols and Ethers Question 4 English
A

P is optically active.

B

S gives Bayer’s test

C

Q gives effervescence with aq. NaHCO3.

D

R is an alkyne.

2
JEE Advanced 2025 Paper 2 Online
Numerical
+4
-0
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The density (in $\mathrm{g} \mathrm{cm}^{-3}$ ) of the metal which forms a cubic close packed (ccp) lattice with an axial distance (edge length) equal to 400 pm is ___________.

Use: Atomic mass of metal $=105.6 \mathrm{amu}$ and Avogadro's constant $=6 \times 10^{23} \mathrm{~mol}^{-1}$

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3
JEE Advanced 2025 Paper 2 Online
Numerical
+4
-0
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The solubility of barium iodate in an aqueous solution prepared by mixing 200 mL of 0.010 M barium nitrate with 100 mL of 0.10 M sodium iodate is $\boldsymbol{X} \times 10^{-6} \mathrm{~mol} \mathrm{dm}^{-3}$. The value of $\boldsymbol{X}$ is ____________.

Use: Solubility product constant $\left(K_{\mathrm{sp}}\right)$ of barium iodate $=1.58 \times 10^{-9}$

Your input ____
4
JEE Advanced 2025 Paper 2 Online
Numerical
+4
-0
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Adsorption of phenol from its aqueous solution on to fly ash obeys Freundlich isotherm. At a given temperature, from $10 \mathrm{mg} \mathrm{g}^{-1}$ and $16 \mathrm{mg} \mathrm{g}^{-1}$ aqueous phenol solutions, the concentrations of adsorbed phenol are measured to be $4 \mathrm{mg} \mathrm{g}^{-1}$ and $10 \mathrm{mg} \mathrm{g}^{-1}$, respectively. At this temperature, the concentration (in $\mathrm{mg} \mathrm{g}^{-1}$ ) of adsorbed phenol from $20 \mathrm{mg} \mathrm{g}^{-1}$ aqueous solution of phenol will be ______________.

Use: $\log _{10} 2=0.3$

Your input ____

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