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Catalogs Discussion Forums -> Optics -> cbse sample paper Q -> Go to message
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cbse sample paper Q

30)   distance d so that image of abj O 15 cm in front of a convex lens of focal length 10 cm b formed at same pt O.  radius of curvature opf mirror 20 cm 


Catalogs Discussion Forums -> Course Material -> Q from sample paper 2 physics -> Go to message
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30)   distance d so that image of abj O 15 cm in front of a convex lens of focal length 10 cm b formed at same pt O.  radius of curvature opf mirror 20 cm 

Catalogs Discussion Forums -> Inorganic Chemistry -> transition metals -> Go to message
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why is d1 configuration very unstable in ion?

give 2 examples of disproportionation in aq. solution?

help,me soon.
Catalogs Discussion Forums -> Inorganic Chemistry -> transition elements -> Go to message
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which metal in first series of transition metals exhibit +1 oxidation state more frequently and why?

and also please tell me why lowest oxide of a transition metal is basic while highest is acidic or amphoteric.

Catalogs Discussion Forums -> Inorganic Chemistry -> SF4 -> Go to message
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why is SF$ flourinating agt?
 
why is it Lewis acid?
Catalogs Discussion Forums -> Inorganic Chemistry -> P block 17th gr -> Go to message
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why are halogens coloured?
 
with which neutal molecule is ClO- isoelectronic?
Catalogs Discussion Forums -> Inorganic Chemistry -> P block 16th gr -> Go to message
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which aerosol deplete ozone?
 
how is SO2 an air pollutant?
 
Catalogs Discussion Forums -> Inorganic Chemistry -> NCERT p block -> Go to message
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please tell me the noble gases which are isostructural with
ICl4-
IBr2-
BrO3-
 
 
also please tell me why noble gases have comparetively large atomic size?
 
 
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