List of top Chemistry Questions

The correct order of increasing radii of the ions $ {Br^{-}, F^{-} , O^{2-}}$ and $ {S^{2-}}$ is as follows:
The correct order of chemical composition of living tissues/cells in term of percentage of the total cellular mass is
The correct order of bond angles in the molecules, $H_2O, NH_3, CH_4$ and $CO_2$ is
The correct order of decreasing ionic character of $PbF_2, PbCl_2, PbBr_2$ and $Pbl_2$ are
The correct order of acidic strength is
The correct order of acidity of oxoacids of halogens is
The correct IUPAC name of the antiseptic chloroxylenol is
The correct IUPAC name of $Mn_3(CO)_2$ is
The correct $IUPAC$ name of the coordination compound $K_{3}[Fe(CN)_{5}NO]$ is
The correct $IUPAC$ name of the following compound is $[Cr(NH_{3})_{5}(NCS)] [ZnCl_{4}]$
The correct functional group $X$ and the reagent/ reaction conditions $Y$ in the following scheme are
(i) $X=COOCH_{3}, X=H_{2} $/Ni/heat (ii)$X=CONH_{2}, P=H_{2}$/Ni/heat (iii)$X= CONH_{2}, Y= Br_{2}/NaOH$ (iv)$X- CN, Y= H_{2}$/Ni/heat
The correct IUPAC name of $AlCl_3$.4(Et.OH) is
The correct IUPAC name of $Fe(C_5H_5)_2$ is
The correct increasing order of acidity of $ {CO_2, H_2O}$ and $ {H_2O_2}$ is
The correct expression of partial pressure in terms of mole fraction is
The correct formula of Zeise's salt is
The correct arrangement of increasing order of atomic radii among Na, K, Mg, Rb is
The coordination number of $Sr^{2+}$ ion in $SrF_2$, if ionic radii are r $(Si^{2+})$ = 113 pm and r $(F^-)$ = 136 pm; is
The constituent particles of a solid have
The conjugate base of $HPO^{2-}_4$ is
The configuration $1s^2 \,2s^2\, 2p^5\, 3s^1$ shows
The conductivity of 0.001028 mol $ L^{-1}$ acetic acid is 4.95 ? $10^{-5} S cm^{-1}.$ Calculate its dissociation constant if $\wedge_{m}^{??$ for acetic acid is $390.5 S cm^{2} mol^{-1}.$
The compounds $CH_3NH_2$ and $ CH_3CH_2NH_2$ are :
The compressibility factor, Z for $H_2$ and He is
The compound in which C uses its $sp^3$ hybrid orbitals for bond formation is :