When a chemical bond is formed, there is decrease in

MCQ

A
kinetic energy
✓
potential energy
C
repulsive force
D
attractive force

✓

Answer

Correct option: B.

potential energy

b
When chemical bond is formed, the potential energy decreases. The distance between two atoms at which the potential energy is minimum is known as bond length.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 4. Chemical bonding and molecular structure→4. Chemical bonding and molecular structure — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Excess of $NaOH\, (aq)$ was added to $100\, mL$ of $FeCl_3\, (aq)$ resulting into $2.14\, g$ of $Fe(OH)_3$ .The molarity of $FeCl_3\, (aq)$ is (Given molar mass of $Fe=56\, g\, mol^{-1}$ and molar mass of .............. $\mathrm{M}$ ($Cl=35.5\, g\, mol^{-1}$)

→

Select the incorrect statement

$(a)$ $PCl_5$ form weak monobasic acid during hydrolysis
$(b)$ In $B_3N_3H_6$ nucleophile attack on $B-$ atom
$(c)$ $Al_2Cl_6$ is a polar and planar molecule
$(d)$ In $AlF_3$, hybridisation of $Al$ is $sp^2$

→

The bond angle $H-X-H$ is the greatest in the compound

→

The molar enthalpies of combustion of $C_2H_2(g),\,C$ (graphite) and $H_2\,(g)$ are $-1300, -394$ and $-286\,kJ\,mol^{-1},$ respectively. The standard enthalpy of formation of $C_2H_2\,(g)$ is.......$kJ\,mol^{-1}$

→

Given below are two statements:

Statement $I$ : Nickel is being used as the catalyst for producing syn gas and edible fats.

Statement $II$ : Silicon forms both electron rich and electron deficient hydrides.

In the light of the above statements, choose the most appropriate answer from the options given below:

→

Heisenberg uncertainty principle is not valid for :

→