List of top Chemistry Questions

When \(1M\ H_2SO_4\) is completely neutralised by sodium hydroxide, the heat liberated is 114.64 kJ. What is the enthalpy of neutralisation ?
Which of the following halides undergoes \(S_N1\) reaction at the fastest rate?
Surface tension of lyophillic sols is
Which of the following alkyl halides is used as a methylating agent ?
How many moles of \(KI\) are required to produce 0.4 moles of \(K_2HgI_4\)?
During adsorption
Which of the following is anti aromatic compound ?
What is DDT among the following?
Which of the following will give red precipitate when reacted with complexes formed by copper sulphate and sodium tartarate ?
In compound A, 1.00g of nitrogen unites with 0.57g of oxygen. In compound B, 2.00g of nitrogen combines with 2.24g of oxygen. In compound C, 3.00g of nitrogen combines with 5.11g of oxygen. These results obey the following law
When \(Sn^{2+}\) changes to \(Sn^{4+}\) in a reaction
When two ice cubes are pressed over each other, they unite to form one cube. Which of the following forces is responsible to hold them together?
When electric current is passed through an ionic hydride in molten state :
Which of the following mixtures of gases does not obey Dalton's law of partial pressure?
Which of the following alkaline earth metal hydroxides is amphoteric in character?
The values of x and y in the following redox reaction.
\(xCl_2 + 6OH^- \rightarrow ClO_3^- + yCl^- + 3H_2O\) are
The unit of equivalent conductivity is:
Which of the following ions is coloured?
In the reaction \(C_6H_5NH_2+CS_2 \xrightarrow{△,\ HgCl_2}\) the product obtained is.
Which of the following is an example of thermosetting polymer?
How many ions obtain after dissociation of this complex.
\([Co(NH_3)_6]Cl_3\)
\(2KHCO_3→.......+CO_2+H_2O\) find amount of gases formed (in lit.) when amount of \(KHCO_3\) is 33 gm.
Frenkel defect is present in which of the following:
Which one follow 18 electron octet rule:
\(CH≡CH \xrightarrow{Hq^+/H^+,\ H_2O}A \xrightarrow{LiAlH_4}B \xrightarrow{P/Br_2}C\)
Final Product C is: