List of top Chemistry Questions

Which among the following formulae represents glycollic acid?
Identify the type of drug used to reduce pain and irritation of stomach?
Which of the following alcohols is prepared by acid catalysed hydration of alkenes?
Which of the following is a major product obtained in the reaction of isobutylene with hydrogen bromide?
Which of the following equations is correct for heat of sublimation?
According to Raoult's law, relative lowering of vapour pressure for a solution containing a non-volatile solute is equal to
Which of the following statements is true for electrolytic cell?
What is the value of primary valence of Co in CoCl$_3$?
Which of the following formula represents laughing gas?
When 2 moles of an ideal gas are expanded isothermally from a volume of 12.5 L to 15.0 L against constant external pressure of 760 mm Hg, calculate the amount of work done in joule?
Which among the following is correct when energy of activation, $E_a$, of the catalyzed reaction decreases at constant temperature and for same concentration?
Which among the following substituent groups decreases the acidic strength of aromatic carboxylic acid?
Which of the following carbonyl compounds does NOT undergo aldol condensation?
If a mixture of iodomethane and iodethane is treated with sodium metal in presence of dry ether, it forms:
Which of the following reactions does NOT yield an amine?
Which among the following elements has the lowest density and is lightest?
What is the molar conductivity of 0.1 M NaCl if its conductivity is \(1.06 \times 10^{-2} \, \Omega^{-1} \, \text{cm}^{-1}\text{cm}^{-1}\)?
What is the value of radius ratio of ionic crystal having coordination number six?
Identify 'Z' in the following series of reactions: \[ \text{Butan-2-ol} \xrightarrow{\text{PCl}_3} X \xrightarrow{\text{alc. KOH}} Y \xrightarrow{i) \, \text{H}_2\text{SO}_4, \, ii) \, \text{H}_2\text{O}/\text{heat}} Z \]
What is the effective atomic number of Fe in [Fe(CN)\(_6\)]\(^{4-}\) (At. no. of Fe = 26)?
What is the boiling point of heavy water?
What is the common unit of conductivity if the dimensions are expressed in centimeter?
What happens during Bessemerization process of extraction of copper from copper pyrites?
Calcite crystals used in Nicol’s prism are formed of:
Which of the following monomers is used in manufacture of Neoprene rubber?