The number of molecules from the following which contain only two lone pair of electrons is _____________
${H}_{2}O, {N}_{2}, CO, {XeF}_{4}, {NH}_{3}, NO, {CO}_{2}, {F}_{2}$

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The number of molecules from the following which contain only two lone pair of electrons is _____________ H _ 2 O, N _ 2 , CO, XeF _ 4 , NH _ 3 , NO, CO _ 2 , F _ 2

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The lone pair of electrons can be identified by drawing structure of the given moleules as follows,

The number of molecules from the following which contain only two lone pair of electrons is _____________ H _ 2 O, N _

The number of molecules having only $2$ lone pair of electrons $= 3$

Which are ${H}_{2}O, {N}_{2}$ and $CO$ . ${XeF}_{4}$ have $2$ lone pairs on central atom, but we are asked about lone pair in molecule

The number of molecules from the following which contain only two...

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