MCQ
Which one of the following elements has the highest ionisation energy
- A$Na$
- B$Mg$
- C$C$
- ✓$F$
✓
Answer
Correct option: D.
$F$
d
(d) It has maximum no. of ${e^ - }$ in outermost shell. So it has maximum $I.E.$
(d) It has maximum no. of ${e^ - }$ in outermost shell. So it has maximum $I.E.$
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
The $IUPAC$ name of is
→The first ionization enthalpies of $Be , B , N$ and $O$ follow the order$....$
→Which alkyne will give $3$ -ethylhexane on catalytic hydrogenation ?
→Nitrogen is relatively inactive element because
Which of the following nucleophile will show minimum reactivity towards ${{S}_{{{N}^{2}}}}$ reaction :
→Order of liquification of noble gases is
The aqueous solution of transition metal salt changes colour from pink to blue, when concentrated hydrochloric acid is added to it. The change In colour is due to
Increasing order of acid strength of halogen acid is
Match the items in Column $I$ with its main use listed in Column $II$
→| Column $I$ | Column $II$ |
| $(A)$ Silica gel | $(i)$ Transistor |
| $(B)$ Silicon | $(ii)$ Ion-exchanger |
| $(C)$ Silicone | $(iii)$ Drying agent |
| $(D)$ Silicate | $(iv)$ Sealant |
A sugar ' $X$ ' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar ' $X$ ' is
→