List of top Chemistry Questions

The correct order of leaving group ability in nucleophilic substitution reaction is
The correct order of the increasing basicity of methyl amine, ammonia and aniline is
The correct order of reactivity of halogens with alkalies is
The correct order of radii is
The correct order of increasing energy of atomic orbitals is
The correct order of electronegativity among halogens is :
The correct order of electron affinity among the following is
The correct order of increasing radii of the ions $ {Br^{-}, F^{-} , O^{2-}}$ and $ {S^{2-}}$ is as follows:
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 chemical composition of living tissues/cells in term of percentage of the total cellular mass is
The correct order of acidic strength is
The correct order of acidity of oxoacids of halogens 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 IUPAC name of the antiseptic chloroxylenol is
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 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 formula of Zeise's salt is
The correct arrangement of increasing order of atomic radii among Na, K, Mg, Rb is
The correct expression of partial pressure in terms of mole fraction 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