List of top Chemistry Questions

What is soap? How does it act in cleansing clothes?
The solid which is electrical conductor, ductile and tensile, is called:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A): Ketoses give Seliwanoff's test faster than Aldoses
Reason (R): Ketoses undergo -elimination followed by formation of furfural
In the light of the above statements, choose the correct answer from the options given below:

Match List I with List II :
LIST I Isomeric pairsLIST II Type of isomers
APropanamine and N-MethylethanamineIMetamers
BHexan-2-one and Hexan-3-oneII
Positional isomers
CEthanamide and HydroxyethanimineII
Functional isomers
Do-nitrophenol and p-nitrophenolIVTautomers
Choose the correct answer from the options given below:
The metal which is extracted by oxidation and subsequent reduction from its ore is:
Which amongst the following options is the correct relation between change in enthalpy and change in internal energy
What do you mean by bidentate and ambidentate ligands? Give one example of each.
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: 

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 the following reactions with chemical equation:
Sandmeyer's reaction
Fittig reaction
Write and derive Nernst equation.
Write any three differences between Lanthanoid and Actinoid.
Write any three differences between d-block and f-block elements.
Write only chemical equation for the following reactions: