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Chemistry
List of top Chemistry Questions
The rate constant of a chemical reaction depends upon which of the following?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical Kinetics
Which of the following is a radioactive noble gas?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Group 18 Elements (Noble Gases)
The standard electrode potentials of metals A, B, C and D are $-3.05\,\mathrm{V}$, $-1.66\,\mathrm{V}$, $-0.40\,\mathrm{V}$ and $+0.8\,\mathrm{V}$ respectively. Which of the following would have the highest reducing power?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
Which of the following conducts electricity in a solution?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
The rate of the reaction $2A + B \rightarrow C$ can be represented by which of the following?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical Kinetics
The rate law of a reaction is $\text{Rate}=k[A][B]^2$. If the concentration of $B$ is trebled keeping $[A]$ constant, the rate becomes
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical Kinetics
The cell constant of a conductivity cell is
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
The IUPAC name of CH$_3$–CH(NH$_2$)–CH$_3$ is:
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Nomenclature Of Organic Compounds
Which of the following is deposited at cathode on electrolysis of aqueous NaCl solution?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
Which of the following is Hinsberg reagent?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Amines
Which of the following is formed when acetamide reacts with Br$_2$/KOH?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Amines
Which of the following is the most basic?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Amines
Primary amine on reaction with Grignard reagent gives which of the following?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Organic Reactions
The functional group of a secondary amine is
Bihar Board XII - 2023
Bihar Board XII
Chemistry
functional groups
Which of the following gives acetone on oxidation?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
The coordination number of a metal crystallizing in a hexagonal close packed (hcp) structure is:
Bihar Board XII - 2023
Bihar Board XII
Chemistry
The solid state
Which of the following is not an ideal solution?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Inorganic chemistry
If 18 g of glucose is dissolved in 1000 g of solvent, then the solution is said to be:
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Inorganic chemistry
Which of the following will have highest boiling point?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Colligative Properties
Which of the following can pass through semi-permeable membrane?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Colligative Properties
Which of the following is soluble in water?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Organic Chemistry
Which of the following is a covalent solid?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
The solid state
Butan-2-ol is a:
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
The total number of crystal systems is:
Bihar Board XII - 2023
Bihar Board XII
Chemistry
The solid state
Chloroform on reduction with zinc and water gives
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Organic Reactions
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