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Gujarati JEE Chemistry : રાસાયણિક બંધન અને આણ્વિય રચના

Multiple Choice Questions

31. નીચેના પૈકી કોની ધ્રુવીયતા મહત્તમ છે ?

Mg⁺²
Ni⁺²
Se⁺³
K⁺

32. નીચેનાની ધ્રુવીય દ્વાવકમાં દ્વાવ્યતાનો યોગ્ય ક્રમ જણાવો :

RbI < CdI₂ < pbO₂
CdI₂ < RbI < PbO₂
PbO₂ < CdI₂ < RbI
PbO₂ < RbI < CdI₂

33. નીચેનાં સંયોજનમાં સહસંયોજક લક્ષણોનો યોગ્ય ક્રમ દર્શાવો :

$BCl subscript 3 space greater than space BeCl squared space equals space LiCl$
$BCl subscript 3 space greater than space BeCl subscript 2 space equals space LiCl$
$BCl subscript 3 space greater than space LiClk space greater than space BeCl subscript 2$
$LiCl space greater than space BeCl subscript 2 space greater than space BCl subscript 3$

34. નીચેના પૈકી શેમાં સહસંયોજક લક્ષણ સૌથી વધુ છે ?

MgCl₄
SnCl₄
NaCl
PbCl₂

35.

નીચેનાં સંયોજનોમાં સહસંયોજક લક્ષણનો યોગ્ય ક્રમ દર્શાવો :

$SnF subscript 4 space greater than space SnCl subscript 4 space greater than space SnBr space greater than space Snl subscript 4$
$SnI subscript 2 space greater than space SnBr subscript 4 space greater than space SnCl subscript 2 space greater than space SnF subscript 4$
$SnI subscript 4 space greater than space SnCl space greater than space SnF subscript 4 space greater than space SnBr subscript 4$
$BCl subscript 3 space greater than space BeCl subscript 2 space equals space LiC$

SnI subscript 2 space greater than space SnBr subscript 4 space greater than space SnCl subscript 2 space greater than space SnF subscript 4

ફેજોનના નિયમ મુજબ જેમ ઋણ આયનનું કદ ઘટે, તેમ સહસંયોજક લક્ષણ ઘટે.

$rightwards arrow with straight I to the power of minus space greater than space Br to the power of minus space greater than space Cl to the power of minus space greater than space straight F to the power of minus on top space$ કદ ઘટે
$therefore space rightwards arrow with SnI subscript 4 space greater than space space SnBr subscript 4 space greater than space SnCl subscript 4 space greater than space CnF subscript 4 on top$
સહસંયોજક લક્ષણ ઘટે.

36. નીચેનાં પૈકી કોનું ગલનબિંદુ સૌથી ઓછું છે ?

SnCl₄
MgCl₂
NaCl
PbCl₂

37. નીચેનાં સંયોજનોમાં ગલનબિંદુનો યોગ્ય ક્રમ દર્શાવો :

$Cs subscript 2 CO subscript 3 space less than space Li subscript 2 CO subscript 3 space less than space Rb subscript 2 CO subscript 3 space less than space straight K subscript 2 CO subscript 3$
$space Li subscript 2 CO subscript 3 space less than straight K subscript 2 CO subscript 3 space less than space Rb subscript 2 CO subscript 3 space less than space Cs subscript 2 CO subscript 3$
$space Li subscript 2 CO subscript 3 space less than straight K subscript 2 CO subscript 3 less than space Cs subscript 2 CO subscript 3 space less than space Rb subscript 2 CO subscript 3 space$
$straight K subscript 2 CO subscript 3 less than space Cs subscript 2 CO subscript 3 space less than space Rb subscript 2 CO subscript 3 space less than space space Li subscript 2 CO subscript 3$