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Chemistry
List of top Chemistry Questions
How would you prepare ethane from methyl iodide?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Haloalkanes and Haloarenes
How would you prepare iodoform from acetylene?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Haloalkanes and Haloarenes
Write Arrhenius equation.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Chemical Kinetics
What are essential amino acids?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
What is metamerism?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Isomerism
What are chiral and achiral compounds?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Isomerism
What is slag?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Metallurgy
Write the IUPAC name of complex compound \( K_3[Cr(C_2O_4)_3] \).
Bihar Board XII - 2025
Bihar Board XII
Chemistry
coordination compounds
What are macromolecules?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
Write Faraday’s 2nd law of Electrolysis.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
"(\(O_3\))behaves as a strong oxidising agent." Explain.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
p -Block Elements
Write the names of the catalysts used in contact process and Ostwald process.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Industrial Chemistry
Diethyl ether finds its use in medicine as:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
Write the formula of Tetra-aminoaquachlorido-cobalt (III) chloride.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
coordination compounds
The number of isomeric alcohols of molecular formula \( \text{C}_4\text{H}_{10}\text{O} \) is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
The general formula of carbonyl compound is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Aldehydes And Ketones
Methyl alcohol on oxidation with acidified \( \text{K}_2\text{Cr}_2\text{O}_7 \) gives:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
At room temperature, formaldehyde is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Aldehydes And Ketones
The quantity of electricity required to liberate 32 g of oxygen is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
How many kinds of Bravais lattice are possible in a crystal?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The solid state
Chloroform is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Haloalkanes and Haloarenes
In electrolysis, oxidation takes place at:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
General group(s) for alcohols is/are:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
Rust is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
The percentage of free space in a body-centred cubic unit cell is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The solid state
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