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Gujarati JEE Chemistry : રાસાયણિક બંધન અને આણ્વિય રચના

Multiple Choice Questions

151. નીચેના પૈકી કયો અણુ અનુચુંબકીય છે ?

KO₂
N₂O
O₂
Na₂O₂

152. નીચેના પૈકી કયો ઘટક પ્રતિચુંબકીય છે ?

H₂
He₂
H₂^-
H

153. $straight N subscript 2 space rightwards arrow space straight N subscript 2$ અને $bold O subscript bold 2 bold space bold rightwards arrow bold space bold O subscript bold 2$ બને ત્યારે અનુક્રમે શેમાંથી ઇલેક્ટ્રૉન દૂર થાય છે ?

$bold left parenthesis bold pi bold asterisk times bold 2 bold p subscript bold y$ અથવા $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$ અને $bold left parenthesis bold pi bold asterisk times bold 2 bold p subscript bold y$ અને $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$
$bold left parenthesis bold pi bold 2 bold p subscript bold y$ અથવા $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$ અને $bold left parenthesis bold pi bold asterisk times bold 2 bold p subscript bold y$ અને $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$
$bold left parenthesis bold pi bold asterisk times bold 2 bold p subscript bold y$ અથવા $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$ અને $bold left parenthesis bold pi bold 2 bold p subscript bold y$ અને $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$
$bold left parenthesis bold sigma bold 2 bold p subscript z$ ) અને $bold left parenthesis bold pi bold asterisk times bold 2 bold p subscript bold y$ અને $bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis$

bold left parenthesis bold sigma bold 2 bold p subscript z

) અને

bold left parenthesis bold pi bold asterisk times bold 2 bold p subscript bold y

અને

bold pi bold asterisk times bold 2 bold p subscript bold x bold right parenthesis

$straight N subscript 2$ ની ઈલેક્ટ્રોન-રચના
$left parenthesis straight sigma subscript 1 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 1 straight s end subscript right parenthesis squared space left parenthesis straight sigma subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight pi subscript 2px right parenthesis squared$

$equals space left parenthesis straight pi subscript 2 py right parenthesis squared space left parenthesis straight sigma subscript 2 pz right parenthesis squared$ છે.

$straight N subscript 2 to the power of plus$ ની ઈલેક્ટ્રોન-રચના

$left parenthesis straight sigma subscript 1 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 1 straight s end subscript right parenthesis space left parenthesis straight sigma subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight pi subscript 2px right parenthesis space equals space left parenthesis straight pi subscript 2 py right parenthesis squared space left parenthesis straight sigma subscript 2 pz right parenthesis to the power of 1$ છે. માટે N₂ માં થી $straight N subscript 2 to the power of plus$ બને ત્યારે (62p2) માંથી ઈલેક્ટ્રોન દુર થાય છે.

O₂ ની ઈલેક્ટ્રોન-રચના
$left parenthesis straight sigma subscript 1 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 1 straight s end subscript right parenthesis space left parenthesis straight sigma subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight sigma subscript 2 pz right parenthesis squared space equals space left parenthesis straight pi subscript 2px right parenthesis squared equals space left parenthesis straight pi subscript 2 py right parenthesis squared space left parenthesis straight pi subscript 2px right parenthesis to the power of 1 space equals space left parenthesis straight pi subscript 2 py right parenthesis to the power of 1$

O₂⁺ ની ઈલેક્ટ્રૉન-રચના
$left parenthesis straight sigma subscript 1 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 1 straight s end subscript right parenthesis space left parenthesis straight sigma subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight sigma to the power of asterisk times subscript 2 straight s end subscript right parenthesis space left parenthesis straight sigma subscript 2 straight s end subscript right parenthesis squared space left parenthesis straight sigma subscript 2 pz end subscript right parenthesis squared equals space left parenthesis straight pi subscript 2px end subscript right parenthesis squared space equals space left parenthesis straight pi subscript 2 py end subscript right parenthesis squared space equals space left parenthesis straight pi to the power of asterisk times subscript 2px end subscript right parenthesis to the power of 1 space equals space left parenthesis straight pi to the power of asterisk times subscript 2 py end subscript right parenthesis to the power of 0$

માટે O₂ માંથી O₂⁺ બને ત્યારે $left parenthesis straight pi to the power of asterisk times subscript 2 py end subscript right parenthesis$ અથવા $left parenthesis straight pi to the power of asterisk times subscript 2px end subscript right parenthesis$ માંથી ઈલેક્ટ્રોન દૂર થાય છે.

154. નીચેના ઘટકો માટે બંધઊર્જાનો યોગ્ય ક્રમ દર્શાવો :

$NO space greater than space NO space greater than space NO to the power of minus$
$NO space greater than space NO to the power of minus space greater than space NO$
$NO space greater than space NO to the power of minus space greater than space NO$
$NO to the power of minus space greater than space NO space greater than space NO$