MCQ
London or dispersion force is a/ an :
- ✓Attractive force that acts between two temporary dipoles.
- BAttractive force that acts between two permanent dipoles.
- CRepulsive force that acts between two permanent dipoles.
- DNone of these
✓
Answer
Correct option: A.
Attractive force that acts between two temporary dipoles.
Force of attraction acting between two temporary dipoles is known as London force.
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
Baking soda is
Which of the following atomic species has maximum ionisation energy?
Match List$-I$ with List$-II$.
→| List$-I$ | List$-II$ |
| $A$ $16\,g \text { of } CH _{4( g )}$ | $I$ Weighs $28\,g$ |
| $B$ $1\,g \text { of } H _{2( g )}$ | $II$ $60.2 \times 10^{23}$ electrons |
| $C$ $1\,mole \text { of } N _{2( g )}$ | $III$ Weighs $32\,g$ |
| $D$ $0.5\,mol$ of $SO _{2( g )}$ | $IV$ Occupies $11.4\,L$ volume at STP |
Choose the correct answer from the options given below:
Which of the following sequence of reactions (reagents) can be used for the conversion of $C_6H_5CH_2CH_3$ into $C_6H_5CH = CH_2$ ?
→From marshy places, methane gas is liberated due to :
Water gas is
$B{e^{2 + }}$ is isoelectronic with
→Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason $R$.
→Assertion $A$ :$[6]$ Annulene.$[8]$ Annulene and cis - $[10]$ Annulene, are respectively aromatic, not-aromatic and aromatic.
Reason $R$ : Planarity is one of the requirements of aromatic systems.
In the light of the above statements, choose the most appropriate answer from the options given below.
For a concentrated solution of a weak electrolyte ( $K _{ eq }=$ equilibrium constant) $A _2 B _3$ of concentration ' $c$ ', the degree of dissociation " $\alpha$ ' is
→From $392\,mg$ of $H_2SO_4,\, 1.204 \times 10^{21}$ molecules are removed. How many moles of $H_2SO_4$ are left?
→