Day 107: JEE Mains Chemistry

Equilibrium. This type asked 2 times: 25 Jul 2022, 24 Jan 2023. This one: 24 Jan 2023 See all 2 of this type

145

If the $pKa$ of lactic acid is 5 , then the $pH$ of $0.005M$ calcium lactate solution at $25^{\circ}C$ is___ $\times10^{- 1}$ (Nearest integer)

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Chemical Kinetics. This type asked 2 times: 14 Jun 2022, 28 Jul 2022. This one: 28 Jul 2022 See all 2 of this type

148

For a reaction, given below is the graph of $\ln k$ vs $\frac{1}{T}$. The activation energy for the reaction is equal to _____ cal $mol^{- 1}$. (Nearest integer). (Given: $R = 2calK^{- 1}{\text{ }mol}^{- 1}$ )

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Solutions. This type asked 2 times: 25 Jul 2022, 27 Jul 2022. This one: 27 Jul 2022 See all 2 of this type

Aldehydes, Ketones and Carboxylic Acids. This type asked 2 times: 2021 Paper 15, 25 Jul 2022. This one: 25 Jul 2022 See all 2 of this type

136

$CH_{3}-CH_{2}-CN \xrightarrow{CH_{3}MgBr,\ \text{Ether}} A \xrightarrow{H_{3}O^{+}} B \xrightarrow{Zn-Hg/HCl} C$. The correct structure of $C$ is:

1. A.
2. B.
3. C.
4. D.

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Coordination Compounds. This type asked 2 times: 25 Jun 2022, 25 Jul 2022. This one: 25 Jul 2022 See all 2 of this type