Which of the following compounds will undergo self aldol condensation in the presence of cold dilute alkali?
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Which of the following reagent react differently with HCHO and CH₃CHO and CH₃COCH₃
Wurtz reaction involves the interaction of alkyl halides in dry ether with
The maximum amount of BaSO4 precipitated on mixing, the BaCl2 (0.5 M) with H2SO4(1 M) will correspond to:
Which of the following gives blood red colour with KCNS ?
A cylinder filled with a movable piston contains liquid water in equilibrium with water vapour at 25oC. Which one of the following operations results in a decreace in the equilibrium vapour pressure ?
Which one of the following is an example of exothermic reaction?
In the silver plating of copper, K[Ag(CN)₂] is used insead of AgNO₃. The reason is
Which of the following simple ions will not form complex ion with NH₃?
When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to
Electrode potentials(Eored) of 4 elemnets A,B,C,D are -1.36V, - 0.32V, 0V, -1.26 V respectively. The decreasing reactivity order of these elements is
Same amount of electric current is passed through solutions of AgNO₃ and HCI. If 1.08 g of silver is obtained in the first case, the volume of hydrogen liberated at S.T.P. in the second case is
The rate of diffusion of methane at a given temperature is twice that of a gas X. The molecular weight of X is
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1 videos|2 docs|73 tests
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