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Chemistry
List of top Chemistry Questions
What are carbohydrates? How are they classified?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
Write Arrhenius equation.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Chemical Kinetics
What do you understand by elevation of boiling point?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Solutions
What happens when n-butyl chloride reacts with alcoholic KOH?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Haloalkanes and Haloarenes
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
Why are alcohols more soluble in water than alkanes of the same molecular weight?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
Distinguish between Alcohol and Phenol.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
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
Write Faraday’s 2nd law of Electrolysis.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
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
"(\(O_3\))behaves as a strong oxidising agent." Explain.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
p -Block Elements
What are essential amino acids?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
What are macromolecules?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
Write the formula of Tetra-aminoaquachlorido-cobalt (III) chloride.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
coordination compounds
Write the names of the catalysts used in contact process and Ostwald process.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Industrial Chemistry
The general formula of carbonyl compound is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Aldehydes And Ketones
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
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
Diethyl ether finds its use in medicine as:
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
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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