MCQ
The fluorine molecules is formed by
- A$p-p$ orbitals (sideways overlap)
- ✓$p-p$ orbitals (end-to-end overlap)
- C$sp-sp$ orbitals
- D$s-s$ orbitals

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ $CH _{3} COOH$
$(B)$ $HCHO$
$(C)$ $CH _{3} OOCH _{3}$
$(D)$ $CH _{3} CHO$
(At nos. : $L a=57, C e=58, E u=63$ and $Y b=70$ )
|
List $-I$ (Element) |
List $-II$ (Electronic Configuration) | ||
| $A.$ | $N$ | $I.$ | $[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^5$ |
| $B.$ | $S$ | $II.$ | $[\mathrm{Ne}] 3 \mathrm{~s}^2 3 \mathrm{p}^4$ |
| $C.$ | $Br$ | $III.$ | $[\mathrm{He}] 2 \mathrm{~s}^2 2 \mathrm{p}^3$ |
| $D.$ | $Kr$ | $IV.$ | $[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^6$ |
Choose the correct answer from the options given below:
${H_2}\left( g \right)\,1atm\,|\,{H^ + }\left( {1M} \right)\,||\,C{u^{2 + }}\left( {1M} \right)\,|\,Cu\left( s \right)$
which of the following statements is true
($en=$ ethylenediamine)
${C_2}{H_4}O\left( g \right) \to C{H_4}\left( g \right) + CO\left( g \right)$
if the initial pressure of $C_2H_4O(g)$ is $80\ mm$ and the total pressure at the end of $20\ minutes$ is $120\ mm$ ........... $mm$