List of top Chemistry Questions

Number of oxygen atoms present in salicylaldehyde are
What is the value of rate constant of first-order reaction, if it takes 15 minutes for consumption of 20% of reactants?
Identify compound ‘B’ in following series of reactions?
The common name of 1-Chloro-2, 2-dimethyl propane is
How many numbers of P-OH and P-O-P bonds are present in pyrophosphoric acid respectively?
Which of the following is NOT a character of an ideal drug?
An element has a bcc structure with cell edge of 288 pm. The density of element is 7.2 g/cm\(^3\). What is the atomic mass of an element?
What is the secondary valence of Co\(^{2+}\) ion according to Werner's theory in [Co(NH\(_3\))\(_6\)]\(^{3+}\)?
Which polymer from the following is used as synthetic leather?
An acyl chloride is hydrogenated over catalyst palladium on barium sulfate to form an aldehyde. This reaction is called as
Work done when 2 mol of an ideal gas is compressed from a volume of 5 m\(^3\) to 2.5 m\(^3\) at 300 K, under a pressure of 100 kPa is
In which of the following compounds intramolecular hydrogen bonding is present?
Silver crystallizes in fcc structure. If edge length of unit cell is 316.5 pm, what is the radius of silver atom?
Which of the following formula represents lithium imide?
Which of the following compounds does NOT contain >C=O group?
Which of the following molecules does not contain oxygen?
Which of the following is NOT dihydric phenol?
Which of the following properties is of the thermosetting polymers?
If resistivity of 0.8 M KCl solution is \( 2.5 \times 10^{-3} \, \Omega \, \text{cm} \), calculate molar conductivity of solution?
Which of the following pairs of aryl halides can NOT be prepared directly by electrophilic substitution?
Solutions A, B, C and D are respectively 0.2 M urea, 0.10 M NaCl, 0.05 M BaCl₂ and 0.05 M AlCl₃. All solutions are isotonic with each other except
In gas phase, \( \text{H-O-O-H} \) bond angle in \( \text{H}_2\text{O}_2 \) is
Which among the following compound is NOT optically active?
Which of the following benzylic alcohol is tertiary alcohol?
What is the number of =N-OH groups present in dimethyl glyoximato?