MCQ
The element having the highest first ionization enthalpy is
- ASi
- BAl
- ✓N
- DC
✓
Answer
Correct option: C.
N
(C) $Al < Si < C < N ; IE _1$ 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
Which of the following statement is CORRECT :
$(I)$ Where orbitals are available in degenerate sets maximum spin multiplicity is observed
$(II)$ Where two electrons occupy the same shell they may have same spins
$(III)$ All noble gases do not have same valence shell electronic configuration
→$(I)$ Where orbitals are available in degenerate sets maximum spin multiplicity is observed
$(II)$ Where two electrons occupy the same shell they may have same spins
$(III)$ All noble gases do not have same valence shell electronic configuration
Density of a $2.05\, M$ solution of $H_2SO_4$ in water is $1.08\, gm/ml$. Find its Normality and molality
→$4-$ Methyl aniline on heating with Alcoholic $KOH$ in the presence of chloroform gives :-
→Choose the correct order of basic strength
Incorrect match is
When borax is heated with $CoO$ on a platinum loop, blue coloured bead formed is largely due to
→Three voltameters containing and aqueous solution of $H_2SO_4,$ $CuSO_4$ and $AgNO_3$ are connected in the following way
→A current was passed for $10$ hours. $10.8\ g\ Ag$ was deposited at cathode in $(III)$ electrolytic cell during electrolysis if current efficiency is $50\%.$
What is magnitude of the current in ampere ?
Which of the following is Lewis acid
Oxidation number of $S$ in ${S^{2 - }}$ is
→Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous $\mathrm{NaOH}$ after heating gives $x$ as the major product. The number of $\pi$ bonds in the product $x$ is.................
→