List of top Chemistry Questions asked in Bihar Board Class XII

Discuss electrochemical principle regarding rusting of iron.
What is the effect of dilution on molar conductance?
What is Brownian movement?
Lucas reagent is
Which of the following is a tertiary alcohol?
Butan-2-ol is a
When ethyl bromide is treated with dry silver oxide, then we get
Which of the following alkyl halides is hydrolyzed by \( S_N 1 \) mechanism?
\( \text{C}_2\text{H}_5\text{Br} + \text{NaOH} \rightarrow \text{C}_2\text{H}_5\text{OH} + \text{NaBr} \) is an example of which of the following types of reaction?
Chloroform on reduction with Zn and water gives
Vitamin B12 contains
The IUPAC name of \( \text{CH}_3\text{CH}_2\text{CH}_2\text{Cl} \) is
Which of the following has the highest bond energy?
Which of the following has the highest molar electrical conductance in aqueous solution?
The oxidation state of Ni in \( \text{Ni(CO)_4 \) is}
The IUPAC name of \( K_3[\text{Fe(CN)_6] \) is}
Which of the following metals is generally found in free state?
Which of the following statements is true?
Electrometallurgical process is used for the extraction of which of the following metals?
An ore having two different metal atoms is
Which of the following elements has electronic configuration \( 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 4d^10 5p^1 \)?
Which of the following oxides of nitrogen is called laughing gas?
By which of the following formic acid and formaldehyde can be distinguished?
Alkyl halides form ethers by reacting with which of the following?
Chloretone is formed when chloroform reacts with