List of top Chemistry Questions

Match List I with List II
LIST I (Amines)LIST II (pKb​)
AAnilineI3.25
BEthanamineII3.00
CN-EthylethanamineIII9.38
DN, N-DiethylethanamineIV3.29
 Choose the correct answer from the options given below:
Explain dehydrohalogenation reaction of 2-chlorobutane. Write use and environmental effect of CFC.
The energy of an electron in the first Bohr orbit of hydrogen atom is \(-2.18×10^{-18}J\). Its energy in the third Bohr orbit is ____.
A litre of buffer solution contains $01$ mole of each of $NH _3$ and $NH _4 CL$ On the addition of $002$ mole of $HCl$ by dissolving gaseous $HCl$, the $pH$ of the solution is found to be ____ $\times 10^{-3}$ (Nearest integer) [Given : $pK _5\left( NH _3\right)=4745$ $ \log 2=0301$ $\log 3=0477$ $T =298 K ]$
What are interstitial compounds? Give the classification of alloys with examples.
IUPAC name of CH\(_3\)-CH-CH\(_3\) is
The oxidation number of Fe in \( K_2[Fe(CN)_6] \) is:

Match the pairs correctly: 

Write the IUPAC names of the following coordination compound: \([Co(NH_3)_6]Cl_3\)

Write the structure of following compound:

Complete and write the following reactions: 

Write the following reactions with chemical equation:
Sandmeyer's reaction
Fittig reaction
How will you prepare the following from acetic acid \((CH_3COOH\)?
Write the Chemical equations:
Acetic Anhydride.
Ethyl Acetate.
Acetyl Chloride.
Ethyl Alcohol.
Acetamide.
Write the mechanism of SN1 and SN2 reactions.
Draw the labelled diagram of Electro-chemical cell and write its structure and chemical reaction.
Write and derive Nernst equation.
Write only chemical equation for the following reactions:
Write any three differences between d-block and f-block elements.
Write any three differences between Lanthanoid and Actinoid.
Write the unit of rate constant for first order of reaction and second order of reaction.
Write the following with definition:
Rate determining step
Order of reaction
The vapour pressure of pure benzene at a certain temperature is 0.850 bar and 0.5 gm of a non-volatile non-electrolyte solid weighing is added to 39.0 gm of benzene (Molar mass 78 g mol\(^{-1}\)) then the vapour pressure of the solution is 0.845 bar. What is the molar mass of the solid substance?
18 gm glucose \(C_6H_{12}O_6\) is dissolved in 1 kg of water in a saucepan. At what temperature will water boil at 1.013 bar? Kb for water is 0.52 K kg mol\(^{-1}\).
Write any two differences between Fibrous Protein and Globular Protein.
Write the reason, Ethylamine is more basic than Ammonia.