To propane-3-ethylpentan-3-ol, the reagents needed are
Aromatic aldehydes in the presence of cyanide ion as catalyst, are converted into acyloins. This reaction is called
When vapours of isopropyl alcohol are passed over heated copper, the major product obtained is
Which alkene gives the same product by the Markownikoff's and anti-Markownikoff's method
How many monochlorobutanes will be obtained on chlorination of n-butane?
Which of the following has a derived unit?
The product of following reaction
The ratio of the molar amounts of H₂S needed to precipitate the metal ions from 20 mL each of 1M Cd(NO₃)₂ and 0.5 M CuSO₄ is
As Cd2+ and Cu2+, both are dipositive ions but Cu2+ has one half of the concentration compared to that of the Cd2+. Thus, the molar amount of the H2S used to precipitate the metals ions Cd2+ and Cu2+ is 2 : 1.
Which of the following acts as a source of energy in living systems?
What happens when conc. H₂SO₄ is treated with sugar?
Which of the following represents proteins?
What will happen if LiAlH₄ is added to an ester ?
Which of the following cannot reduce Fehling solution?
Which of the following compounds on boiling with KMnO₄ and the subsequent acidification will not give benzoic acid ?
When H2 and I2 are mixed and equilibrium is attained,then
At equilibrium rate of forward reaction becomes equal to the rate of backward reaction
The law of mass action was given by
The heats of dissociation (k.cals/mole) of methane and ethane are 360 and 620 respectively. From these, C - C bond energy (k.cals/mole) in ethane can be evaluated as
A Carnot engine, working between 500 K to 300 K has a work output of 800 J-cycle⁻1. What is the amount of heat energy supplied to the engine from the source per cycle?
In which of the following neutralization reaction, the heat of neutralisation will be highest?
During the deepening of the colour of a dye, the absorption shifts towards red. This shifting is called
The IUPAC name of the compound having the formula (CH₃)₃C-CH =CH₂ is
[Co(NH₃)₄Cl₂]NO₂ and [Co(NH₃)₄ClNO₂]Cl exhibit which type of isomerism
Which of the following complexes is an outer orbital complex?
Acetaldoxime reacts with P₂O₅ to give
Which of the following reagent can be used to convert benzene diazonium chloride into benzene ?
If a salt bridge is removed between the two half cells, the voltage
In which of the following solutions are ions present?
0.066 gram of metal was deposited when a current of 2 amperes is passed through a metal ion solution for 100 seconds. What is the electrochemical equivalent (in gram coulomb -1) of the metal?
= 3.3 x 10-4 gm coulomb
A metal X on heating in nitrogen gas gives Y. Y on treatment with H₂O gives colourless gas which when passed through CuSO₄ solution gives blue colour. Y is
The ether that undergoes electrophilic substitution reaction is
The vapour density of pure ozone would be
The poisonous gas present in the exhaust fumes of cars is
When AgNO₃ is heated strongly the products formed are
Which of the following is not an acid salt?
In which reaction there is change in O.N. of N atom
Bragg's law is given by equation
The number of optically active isomers possible for
The colour of the colloidal particles of gold obtained by different methods differ because of
The brown ring complex compounds is formulated as [Fe(H2O)5NO] SO4. The oxidation state of iron is
In the extraction of copper, the reaction which takes place in Bassemer converter is