Recent questions in Chemistry

Which of the following is the correct order for the strength of hydrogen bonding

asked Mar 7, 2014 by sreemathi.v

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Magnetic moment of $K_3Mn(C_2O_4)_3.3H_2O$ is

asked Mar 7, 2014 by sreemathi.v

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Which of the following is the correct for the strength of bonds by s-s,p-p,s-p overlap

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What type of propellant was used in $SLV-3$ (India)?

asked Mar 7, 2014 by meena.p

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In HCHO,the number of non-bonding electrons,$\sigma$-bonds and $\pi$ bonds are respectively

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Which of the following is the correct order of lattice energy

asked Mar 7, 2014 by sreemathi.v

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A space rocket is propelled by

asked Mar 7, 2014 by meena.p

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The correct order of increasing $C-O$ bond length of $CO,CO_3^{2-},CO_2$ is :

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Which of the following is known as invert soap ?

asked Mar 7, 2014 by meena.p

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$Mg_2C_3$ reacts with water forming propyne.$C_3^{4-}$ has how many sigma and pi bonds respectively

asked Mar 7, 2014 by sreemathi.v

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In $I_3^-$ which one is correct

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The group commonly present in synthetic detergent is

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Which of the following represent a synthetic detergent ?

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In which there is change in the type of hybridisation when

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Structurally leiod gradable derergent should contains

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Among $KO_2,AlO_2,BaO_2$ and $NO_2^+$,unpaired electron present in

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Substance used for the prevention of coloured fruit juices is

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Which of the following represent the given mode of hybridisation $sp^2-sp^2-sp-sp$ from left to right?

asked Mar 7, 2014 by sreemathi.v

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Which of the following groups is an auxochrome?

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Which of the following are isoelectronic and isostructural?

asked Mar 7, 2014 by sreemathi.v

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Among the following molecule with the highest dipolemoment is

asked Mar 7, 2014 by sreemathi.v

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Which of the following is the correct order of bond angle

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The polarisability of the halide ions in the salts $CaX_2$ is in the order of

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Which of the following molecule is having highest lattice energy

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Which of the following is not used in nail polish ?

asked Mar 7, 2014 by meena.p

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In an element (X) shows two oxidation states $+2$ and $+3$ and forms an oxide in such a way the ratio of the element showing $+2$ and $+2$ states is $1:3$ in compound the formulae of

asked Mar 7, 2014 by meena.p

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The electronic configuration of the atom having max difference in first and 2nd ionization energies.

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The difference between atomic radii is max in which one of the following pairs.

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In which one of the following pairs, the radius of the second species is greater than that of the first.

asked Mar 7, 2014 by meena.p

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The atomic numbers of $V,Cr,Mn$ and $Fe$ are respectively $23,24,25$ and $26$. Which one of these may be expected to have the highest second ionization enthalpy ?

asked Mar 7, 2014 by meena.p

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