Question
The element having the highest first ionization enthalpy is
✓
Answer
c
$\mathrm{Al}<\mathrm{Si}<\mathrm{C}<\mathrm{N} ; \mathrm{IE}_1$ order.
$\mathrm{Al}<\mathrm{Si}<\mathrm{C}<\mathrm{N} ; \mathrm{IE}_1$ order.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
When $FeCl_3$ reacts with $K_4[Fe(CN)_6]$ then which of the following compound is formed
→The compound added to prevent chloroform to form phosgene gas is
A disaccharide $X$ cannot be oxidised by bromine water. The acid hydrolysis of $X$ leads to a laevorotatory solution. The disaccharide $X$ is
→A system is changed from state $A$ to state $B$ by one path and from $B$ to $A$ another path. If ${E_1}$ and ${E_2}$ are the corresponding changes in internal energy, then
→The products formed in the reaction of cumene with $O_2$ followed by treatment with dil. $HCl$ are
→An aqueous solution of potash alum gives
Which is the most suitable reagent among the following to distinguish compound $(3)$ from rest of the compounds ?
→$1.\,\,CH_3-C \equiv C -CH_3$
$2.\,\,CH_3 - CH_2 - CH_2 - CH_3$
$3. \,\,CH_3 - CH_2C \equiv CH$
$4.\,\,CH_3 - CH = CH_2$
For the reaction : $2A + B \to A_2B$ ; the rate $= K[A]\, [B]^2$ with $K = 2.0\times10^{-6}\, lit^2\, mol^{-2}\, sec^{-1}$. Initial concentration of $A$ and $B$ are $0.2\, mol/lit$ and $0.4\, mol/lit$ respectively. Calculate the rate of reaction after $[A]$ is reduced to $0.12\, mol/litre$.
→Which bond is strongest
How many secondary carbon and hydrogen atoms are present in the molecule given below are spectively ?
