Mole., Chemistry

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Insulating vessel containing negligible heat capacity, 2 Kg of ice at -20 d...

2 Kg of ice at -20 degree C is mixed with 5Kg of water 20 degree C in an insulating vessel containing negligible heat capacity. Measure the final mass of water remaining in the con

Compounds of group 16 elements, Q. Compounds of Group 16 Elements? We w...

Q. Compounds of Group 16 Elements? We will now discuss some compounds like the hydrides, halides and oxides of the Group 16 elements.  All elements of this group form simple

Freezing Point Depression, Two solutions are prepared using the same solute...

Two solutions are prepared using the same solute: Solution A: 0.27g of the solute dissolves in 27.4g of t-butanol. Solution B: 0.23g of the solute dissolves in 24.8g cyclohexane. W

What are the various factors which affect stability?, The stability of a co...

The stability of a complex relies on 1. Nature of central ion:  the word nature means the charge density on the central ion i.e. greater is the charge density or larger the c

Organic chemistry, Difference between mesomrism and resonance

Difference between mesomrism and resonance

De-broglie wavelength associated with a particle of mass, The de-Broglie wa...

The de-Broglie wavelength associated with a particle of mass  10 -6 kg moving with a velocity of 10 ms -1 , is: (1) 6.63 x 10 -22 m                (2) 6.63 x 10 -29 m

Visible range of hydrogen spectrum will contain, Visible range of hydrogen ...

Visible range of hydrogen spectrum will contain the following series: (1)  Pfund (2) Lyman (3) Balmer (4) Brackett Ans: Balmer

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