List of top Chemistry Questions

When a tertiary alcohol ‘A’ (C4H10O4) reacts with 20% H3PO4 at 358 K, it gives a compound ‘B’ (C4H8) as a major product. The IUPAC name of the compound ‘B’ is :

Find the density of a given molecule (solid state).

Diagonal relationship of Be is with which element?

Which of the following is a trisaccharide?

What is the oxidation number of nitrogen?

Find the number of electron bonds in H2SO4.

What is the IUPAC name of propylene glycol?

Find the packing efficiency of silver metal?

Identify the element with the electronic configuration 1s21p4?

Which metal catalyst is used to prepare sulphuric acid in contact process?

What is the coordination number of the atoms in a cubic close-packed (CCP) structure?
What is silicon?
Given the first-order reaction with rate constant \( k \), calculate the rate of the reaction at a certain concentration of reactant \( [A] \). The rate constant \( k \) is given by the equation: \[ k = \frac{2.303}{t} \log \left( \frac{A_0}{A_t} \right) \]
Using the Nernst equation, calculate the cell potential (\( E_{\text{cell}} \)) under non-standard conditions. The Nernst equation is given as: \[ E_{\text{cell}} = E^\circ_{\text{cell}} - \frac{0.0591}{n} \log k \]
What is the IUPAC name of phloroglucinol?
What is the IUPAC name of phenylmethane?
Which of the following compounds is a cyclic allyl?
A system absorbs 50 J of heat and does 10 J of work. What is the change in internal energy (\(\Delta U\)) of the system?
What is the IUPAC name of the compound with the following structure: benzene attached to COOH, OH, and an ethyl group?
What is the major product when toluene reacts with concentrated sulfuric acid (H\(_2\)SO\(_4\)) under heating conditions?
Which of the following elements is classified as an alkali metal?
Which of the following statements is true about a chiral carbon?
What is the major product formed when 2-methyl-3-chloropentane undergoes alcoholic KOH elimination (E2 reaction)?
Which of the following correctly represents the bond angle and bond length in the crown-shaped \( S_8 \) molecule?
What is the major organic product obtained when phenol undergoes the Reimer-Tiemann reaction?