List of top Chemistry Questions

Which from following is NOT a state function ?
Which of the following is favourable condition for the formation of ionic bond ?
Calculate the shortest wavelength in hydrogen spectrum emission of Lymen series (\(R_H = 109677\,\text{cm}^{-1}\))
Chlorine has two isotopes \(\text{Cl}^{37}\) and \(\text{Cl}^{35}\) with percentage abundance of \(25\%\) and \(75\%\) respectively. Find average atomic mass of chlorine ?
What is the number of bond pair of electrons and lone pair of electrons present in the valence shell of chalcogens in their hydride ?
Identify thermosetting polymer from following.
Identify ureaformaldehyde resin from following polymers?
Which from following, sugar is an aldohexose?
Identify antimicrobial compound from following.
Which from the following hydroxy compounds contain only one \(-\text{OH}\) group in a molecule?
Which from following amines is obtained by Gabrial phthalimide synthesis?
Identify the compound obtained when ethyl methyl ketone is treated with \(\text{CH}_3\text{MgBr}\) and hydrolyzed.
Which from the following is NOT a monocarboxylic acid?
Which from following compounds is classified as oligosaccharide?
Which from following compounds is obtained when propionamide is treated with \(\text{Br}_2\) and concentrated aqueous KOH solution ?
Which of the following pair of reagents is used for the conversion of carboxylic acid to alcohol ?
Which from the following compounds is not obtained when methyl bromide is treated with ethyl bromide in presence of sodium metal in dry ether?
Identify reagent B in following reaction.
\(\text{R}-\text{X}\overset{\text{B} \,}{\rightarrow }\text{Nitroalkane}\)
Which of the following \(n\) mole compound is obtained when \(2n\) moles of \(\text{C}_6\text{H}_5\text{Cl}\) treated of with \(2n\) mole sodium atom in dry ether?
What is the highest possible oxidation state exhibited by manganese ?
What is the oxidation state of cobalt in \([\text{Co}(\text{NH}_3)_6]^{3+}\) ?
What type of hybridization is found in \([\text{Ni}(\text{Cl})_4]^{2-}\)?
Identify metals present in brass.
Which among the following oxoacids of chlorine exhibits \(+3\) oxidation state of chlorine?
Identify general electronic configuration exhibited by \(2^{\text{nd}}\) series of transition elements.