JEE Chemistry - MCQ Practice Questions

For a galvanic cell: Cu²⁺ + 2e⁻ → Cu (E° = 0.34 V) and Zn²⁺ + 2e⁻ → Zn (E° = -0.76 V). What is the standard cell potential (E°cell)?

Which electrode reaction occurs at the anode in a galvanic cell?

A solution has [H⁺] = 1 × 10⁻⁷ M and [OH⁻] = 1 × 10⁻⁷ M at 25°C. Which statement is true?

The standard reduction potential for Zn²⁺/Zn is -0.76 V and for Cu²⁺/Cu is +0.34 V. Calculate E°cell for Zn-Cu galvanic cell.

Which factor does NOT affect the rate of a chemical reaction?

Which of the following has maximum boiling point?

For electrodeposition of copper using 1 Faraday of charge, how many moles of Cu are deposited? Cu²⁺ + 2e⁻ → Cu

Which of the following best explains why diamond is harder than graphite?

Which of the following factors does NOT affect the value of the equilibrium constant Kc?

The molar heat capacity at constant pressure (Cp) for an ideal gas is 29 J/(mol·K). Its molar heat capacity at constant volume (Cv) is approximately:

In a first-order reaction, if the half-life is 10 minutes, the time taken for the concentration to reduce to $\frac{1}{4}$th of initial value is:

Which of the following compounds exhibits optical isomerism?

The IUPAC name of (CH3)3C-CH2-OH is:

Which reagent is used to distinguish between primary and secondary alcohols?

The most stable conformation of ethane is:

Which set of reagents can convert benzene to toluene in one step?

In the nitration of toluene, the ortho and para isomers are major products because the methyl group is:

Which of the following alkyl halides will give the fastest SN2 reaction with KOH in aqueous ethanol?

In the oxidation of primary alcohols using PCC (pyridinium chlorochromate), the primary alcohol is converted to:

The coupling constant (J) in 1H-NMR for vicinal coupling (3J) typically ranges from: