When 32.25g of ethyl chloride is subjected to dehydrohalogenation reaction the yield of the alkene formed is 50%. The mass of the product formed is: (atomic mass of chlorine is 35.5)
Oxidation states of P in {tex}H_4 P_2 O_5, H_4 P_2 O_6, H_4 P_2 O_7{/tex} are respectively.
The rate of a reaction doubles when its temperature changes from 300 K to 310 K. Activation energy of such a reaction will be: (R = 8.314 J{tex}K^{-1} mol^{-1}{/tex} and log2 = 0.301)
The angle of minimum deviation in an equilateral prism of refractive index 1.414 is
Two bodies are thrown vertically upwards with their initial speeds in the ratio 2 : 3. The ratio of the maximum heights reached by them and the ratio of their time taken by them to return back to the ground respectively are
Which of the following organic compounds has same hydridization as it's combustion product- {tex}(CO_2){/tex} ?
An organic compound A(C4H9Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative. A is
The sequence of ionic mobility in aqueous solution is
A binary liquid solution is prepared by mixing n - heptane and ethanol. Which one of the following statement is correct regarding the behaviour of the solution?
The critical temperature of {tex}O_2, N_2, H_2{/tex} and {tex}CO_2{/tex} are 154.3K, 126K, 33.2K and 304K respectively. The extent of adsorption on tungsten may be highest in case of
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