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Recent questions tagged q153

Calculate molecular diameter of He from its Vander Waal's constant b = 24mL$mol^{-1}$

asked Mar 26, 2014 by sharmaaparna1

1 answer

The correct decreasing order of priority for the functional groups of organic compound in the IUPAC system of momenclature is

asked Mar 4, 2014 by meena.p

1 answer

Find the equation of circle passing through (1,1) and the point of intersection of the circles $x^2+y^2+10x-y=0$ and $2x^2+2y^2+2x-5y-23=0$

asked Feb 12, 2014 by sreemathi.v

1 answer

What is the principal quantum no. of H-atom Orbital if the electron energy is -3.4 eV ? also report the angular momentum of electron

asked Jan 31, 2014 by sharmaaparna1

1 answer

If $\;a_{1}=1\;,a_{n+1}=2a_{n}+1$ then , $\;a_{n+1}$ equals

asked Jan 22, 2014 by yamini.v

1 answer

The function $f(x)=[x]^2-[x^2]$ where $[x]$ is the greatest integer less than or equal to x, is discontinuous at

asked Jan 3, 2014 by sreemathi.v

1 answer

$f'(x) = a cos x + b \sin x ; f'(0)=4; f(0)=3; f \bigg(\large\frac{\pi}{2}\bigg)$$=5$ find the value of $f(x)=$?

asked Dec 24, 2013 by meena.p

1 answer

During the propogation of a nerve impulse, the action potential results from the movement of :

asked Dec 21, 2013 by thanvigandhi_1

0 answers

Chloroform when heated with silver powder gives :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Which one of the following frequencies of radiation ( in Hz) has a wavelength of 600 nm?

asked Nov 9, 2013 by thanvigandhi_1

0 answers

Assertion (A) : In the formation of oxide ion, $ O^{2-}(g) $ , first an exothermic reaction and then an endothermic reaction takes place. Reasons (R) : $O^- $ ion has comparatively large size than oxygen atom.

asked Oct 24, 2013 by thanvigandhi_1

1 answer

The correct order of reactivity of hydrogen halides with ethyl alcohol is

asked Oct 21, 2013 by meena.p

1 answer

At $25^{\circ}$ the molar conductances at infinite dilution for the strong electrolytes $NaOH,NaCl$ and $Bacl_2$ are $248 \times 10^{-4},126 \times 10^{-4}$ and $280 \times 10^{-4}s.m^2. mol^{-1}$ respectively . $\lambda^{\circ}_mBa(OH)_2$ in $s.m^2 mol^{-1}$:

asked Oct 15, 2013 by meena.p

1 answer

Consider the following statements for the reaction

asked Oct 14, 2013 by thanvigandhi_1

1 answer

The two enantiomers of secondary butyl chloride differ from each other in which one of the following properties?

asked Oct 2, 2013 by meena.p

1 answer

Proteins are:

asked Sep 25, 2013 by meena.p

1 answer

Heating chloroform with aqueous sodium hydroxide solution forms:

asked Sep 19, 2013 by meena.p

2 answers

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