List of top Chemistry Questions on Chemical Reactions

One mole of Cl$_2$(g) was passed into 2 L of cold 2 M KOH solution. After the reaction, the concentrations of Cl$^-$, ClO$^-$ and OH$^-$ are respectively (assume volume remains constant)
Identify A, B, and C in the given reaction sequence: \[ \text{A} \xrightarrow{\text{HNO}_3} \text{Pb(NO}_3)_2 \xrightarrow{\text{H}_2\text{SO}_4} \text{B} \rightarrow \text{C (Yellow ppt)}. \]
The species which does not undergo disproportionation reaction is:
For a reaction, $$ {N}_2{O}_5(g) \rightarrow 2{NO}_2(g) + \frac{1}{2} {O}_2(g) $$ in a constant volume container, no products were present initially. The final pressure of the system when 50% of the reaction gets completed is: 
Given below are two statements: Statement (I): The boiling points of alcohols and phenols increase with increase in the number of C-atoms.
Statement (II): The boiling points of alcohols and phenols are higher in comparison to other classes of compounds such as ethers and haloalkanes. In the light of the above statements, choose the correct answer from the options given below:

In Carius method for estimation of halogens, 180 mg of an organic compound produced 143.5 mg of AgCl. The percentage composition of chlorine in the compound is ___________%. [Given: Molar mass in g mol\(^{-1}\) of Ag = 108, Cl = 35.5]

Consider the following reaction occurring in the blast furnace. \[ {Fe}_3{O}_4(s) + 4{CO}(g) \rightarrow 3{Fe}(l) + 4{CO}_2(g) \] ‘x’ kg of iron is produced when \(2.32 \times 10^3\) kg \(Fe_3O_4\) and \(2.8 \times 10^2 \) kg CO are brought together in the furnace. 
The value of ‘x’ is __________ (nearest integer).

X g of benzoic acid on reaction with aqueous \(NaHCO_3\) release \(CO_2\) that occupied 11.2 L volume at STP. X is ________ g.

Arrange the following compounds in increasing order of their reactivity towards \( S_N2 \) displacement: 2-Bromo-2-methylbutane, 1-Bromopentane, 2-Bromopentane.

In the following pair of halogen compounds, which compound undergoes \( S_N1 \) reaction faster and why?

Assertion (A): Aromatic primary amines cannot be prepared by Gabriel Phthalimide synthesis. 
Reason (R): Aryl halides do not undergo nucleophilic substitution reaction with the anion formed by phthalimide.

Which of the following gases is produced when zinc reacts with dilute hydrochloric acid?
What is the major product when 1-bromopropane undergoes nucleophilic substitution with \(OH^-\)?
What is the product formed when magnesium ribbon is burnt in oxygen?
What is the process called when fats and oils are oxidised and their smell and taste change?
What is the significance of writing physical states in a chemical equation?
What is the law of conservation of mass?
What is the law of conservation of mass?
Which of the following oxides is amphoteric in nature?
Which one of the following processes involves chemical change?
The volume of CO\(_2\) liberated in litres at STP when 25 g of CaCO\(_3\) is treated with dilute HCl containing 14.6 g of HCl is:
Markovnikov's rule is applicable to which of the following reactions?
Consider the following: Statement I: CCl4 does not undergo hydrolysis. But SiCl4 undergoes hydrolysis.
Statement II: Thermal and chemical stability of GeX4 is more than GeX2.
How many grams of calcium carbonate ($\mathrm{CaCO}_3$) are required to completely neutralize 200 mL of 0.5 M HCl? Given the reaction: $$ \mathrm{CaCO}_3 + 2 \mathrm{HCl} \rightarrow \mathrm{CaCl}_2 + \mathrm{H}_2 \mathrm{O} + \mathrm{CO}_2 $$ (Molar mass of $\mathrm{CaCO}_3 = 100 \, \text{g/mol}$)
Write the IUPAC name of the compound: \[ \text{CH}_3-CH_2-CH(CH_3)-CH_2-CH_2-CH_3 \]