Class 11th
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Which of the following compound will not undergo Friedel craft's Reaction :-
Which of the following compound will not undergo Friedel craft's Reaction :-
SO3 (s) exist as cyclic trimer ⇒ S3O9
→ sp3, so all bond π–bonds would be of pπ–dπ so pπ–pπ bond = 0
pπ–dπ bonds = 6
Which of the following have one lone pair on the central atom ?
<!-- [if !supportLists]-->(I) <!--[endif]-->NH3
<!-- [if !supportLists]-->(II) <!--[endif]-->SF4
<!-- [if !supportLists]-->(III) <!--[endif]-->XeOF4
<!-- [if !supportLists]-->(IV) <!--[endif]-->XeF6
Which of the following have one lone pair on the central atom ?
<!-- [if !supportLists]-->(I) <!--[endif]-->NH3
<!-- [if !supportLists]-->(II) <!--[endif]-->SF4
<!-- [if !supportLists]-->(III) <!--[endif]-->XeOF4
<!-- [if !supportLists]-->(IV) <!--[endif]-->XeF6
The Boolean equation for the circuit as shown in figure is
The Boolean equation for the circuit as shown in figure is
When light of maximum wavelength 300 nm falls on a photoelectric emitter, photoelectrons are liberated. For another emitter however light of maximum wavelength 600 nm causes photoelectric emission. The ratio of work functions of first emitter to second emitter will be
When light of maximum wavelength 300 nm falls on a photoelectric emitter, photoelectrons are liberated. For another emitter however light of maximum wavelength 600 nm causes photoelectric emission. The ratio of work functions of first emitter to second emitter will be
The fringe width in Young’s double slit experiment increases when
The fringe width in Young’s double slit experiment increases when
with increase in separation of screen from slits plane, fringe width increases.









