List of practice Questions

The equivalent weight of \(\text{Na}_2\text{S}_2\text{O}_3\) (Gram molecular weight = \(M\)) in the given reaction is:
\[\text{I}_2 + 2 \text{Na}_2\text{S}_2\text{O}_3 \rightarrow 2 \text{NaI} + \text{Na}_2\text{S}_4\text{O}_6\]
The reactivity order of the following molecules towards SN1 reaction is:
Allyl chloride (I), Chlorobenzene (II), Ethyl chloride (III)
Toluene reacts with mixed acid at 25°C to produce:
Ozonolysis of o-xylene produces:
Ozonolysis of o-xylene
The compounds A and B are respectively:
compounds A and B
The compound that does not give a positive test for nitrogen in Lassaigne’s test is
The correct acidity order of phenol (I), 4-hydroxybenzaldehyde (II), and 3-hydroxybenzaldehyde (III) is:
The major product of the following reaction is:
major product
Consider an electron moving in the first Bohr orbit of a He\(^+\) ion with velocity \(v_1\). If it is allowed to move in the third Bohr orbit with velocity \(v_3\), determine the correct \(v_3 : v_1\) ratio.\\
The compressibility factor for a van der Waals gas at high pressure is
For a spontaneous process, the incorrect statement is:
Identify the incorrect statement among the following:
Which of the following statements is true about the equilibrium constant and rate constant of a single-step chemical reaction?
After the emission of a β-particle followed by an α-particle from \(^{214}_{83}\text{Bi}\), the number of neutrons in the atom is:
Which hydrogen-like species will have the same radius as the 1st Bohr orbit of a hydrogen atom?
For a first-order reaction with rate constant k, the slope of the plot of log(reactant concentration) against time is:
Equal volumes of aqueous solution of 0.1 M HCl and 0.2 M H2SO4 are mixed. The concentration of H+ ions in the resulting solution is:
Correct solubility order of AgF, AgCl, AgBr, AgI in water is:
What will be the change in acidity if:
(i) CuSO4 is added to saturated (NH4)2SO4 solution,
(ii) SbF5 is added to anhydrous HF?
Which of the following contains the maximum number of lone pairs on the central atom?
Which of the following species exhibits both LMCT and paramagnetism?
How many P–O–Plinkages are there in P4O10?
Q and R in the reaction sequences are respectively:
Q and R in the reaction
pH of 10−8 M HCl solution is:
The degree of dissociation of acetic acid is: