List of top Chemistry Questions

A Hydrocarbon $ [A] $ (molecular formula $ C_3H_6 $) on reaction with $ \text{Br}_2/\text{CCl}_4 $ gave $ [B] $. When $ [B] $ is heated with 2 moles of alcoholic KOH, it gave compound $ [C] $. 3 moles of Compound $ [C] $ when passed through red hot Iron tube forms $ [D] $. Identify $ [D] $.

What is another term used for the probability factor (P) in collision theory?

Which factor in the Arrhenius equation corresponds to the fraction of molecules having kinetic energy greater than activation energy?

Kohlrausch law is related to which of the following term?

Which term of molar conductivity is used when the concentration of electrolyte approaches zero?

Molal elevation constant is also known as:

Which of the following solvents is having its lowest Ebullioscopic constant?

Solvent	Boiling Point (K)
Chloroform	334.4
Diethyl Ether	307.8
Benzene	353.3
Carbon disulphide	319.4

Choose the correct answer from the options given below:

Which of the following gases at 298 K and 1 atm pressure is having maximum solubility in water?
(A) Methanal, K_H = 0.000018
(B) Argon, K_H = 40.3
(C) Methane, K_H = 0.41
(D) CO₂, K_H = 1.6
Choose the correct answer from the options given below:

Match List-I with List-II:

List-I (Amino Acid)	List-II (Nature of Amino Acid)
(A) Valine	(I) Basic amino acid
(B) Glycine	(II) Neutral optically active amino acid
(C) Lysine	(III) Acidic amino acid
(D) Glutamic acid	(IV) Neutral optically inactive amino acid

Choose the correct answer from the options given below:

Which of the following is/are the bases of DNA?
(A) Adenine
(B) Uracil
(C) Thymine
(D) Cytosine

Match List-I with List-II:

Choose the correct answer from the options given below:

Match List-I with List-II:

List-I	List-II
(A) Mn2+	(I) Pyrolusite ore
(B) Spin only Magnetic Moment	(II) An alloy of 4f metal, iron and traces of S, C, Al and Ca
(C) MnO2	(III) μs = √n(n + 2) BM
(D) Misch metal	(IV) Highest oxidation states

Choose the correct answer from the options given below:

The correct statement/statements from the options given below is/are:
(A) Diazonium salts of aromatic amines are less stable than diazonium salts of aliphatic amines.
(B) Ethylamine is insoluble in water.
(C) Gabriel phthalimide synthesis can be used to prepare primary amines.
(D) Because of +R-effect of–NH2 group, aniline will undergo Friedel-Crafts acylation reaction.
Choose the correct answer from the options given below:

Which of the following ions will be coloured in the aqueous solution?
(A) Ti³⁺
(B) Nb³⁺
(C) Cu⁺
(D) Y³⁺
Choose the correct answer from the options given below:

Arrange the following in increasing order of their osmotic pressure generation at 298 K:
(The cell wall is permeable to water and not to the solute molecules)
(A) If a cell containing 0.5 moles of solute dissolved in 1 L of water is immersed in pure water.
(B) If a cell containing 0.25 moles of solute dissolved in 1 L of water is immersed in pure water.
(C) If a cell containing 0.1 moles of solute dissolved in 0.01 L of water is immersed in pure water.
(D) If a cell containing 0.2 moles of solute dissolved in 0.05 L of water is immersed in pure water.
Choose the correct answer from the options given below:

Consider the following compounds:

Arrange these compounds in the increasing order of rate of hydrolysis:

Which of the following compounds will undergo Aldol condensation reaction?

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Which among the following is a strong field ligand?

For an SN₂ reaction, arrange the following alkyl halides in increasing order of reactivity:
(A) CH₃CH₂CH₂CH₂
(B) CH₃CH₂CH(Br)CH₃
(C) (CH₃)₃
(D) (CH₃)₂CHCH₂

A first-order reaction has a half-life of 693 sec. What will be its rate constant?

What is the numerical value of one Faraday in Coulombs?

Which among the following is an antacid?

Which among the following is a biodegradable polymer?

Arrange the following in increasing order of their pH values:
(A) p-Nitrophenol,
(B) m-Cresol,
(C) m-Nitrophenol,
(D) Phenol.