List of top Chemistry Questions

IUPAC name of IUPAC name of is
A solution containing $62\, g$ ethylene glycol in $250 \,g$ water is cooled to $-10^{\circ}C$. If $K_f$ for water is $1.86\, K\, kg \,mol^{-1}$, the amount of water (in g) separated as ice is :
Haemoglobin and gold sol are examples of :
What would be the molality of $20\%$ (mass / mass) aqueous solution of $KI$? (molar mass of $KI = 166\, g\, mol^{-1}$)
The complex that has highest crystal feild splitting energy $(\Delta )$, is :
The number of sigma ($\sigma$)and pi ($\pi$) bonds in pent-2-en-4-yne is :
The pair that does NOT require calcination is:
Hall-Heroult's process is given by :
$C_{60}$, an allotrope of carbon contains :
Iodine reacts with concentrated ${HNO_3}$ to yield $Y$ along with other products. The oxidation state of iodine in $Y$, is :
The compound that inhibits the growth of tumors is :
NaH is an example of :
The correct structure of tribromooctaoxide is
Which of the following halides undergoes \(S_N1\) reaction at the fastest rate?
When \(1M\ H_2SO_4\) is completely neutralised by sodium hydroxide, the heat liberated is 114.64 kJ. What is the enthalpy of neutralisation ?
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 \(K_2HgI_4\)?
Which of the following is anti aromatic compound ?
What is DDT among the following?
During adsorption
Which of the following will give red precipitate when reacted with complexes formed by copper sulphate and sodium tartarate ?
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 :