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50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
What is differences by alkali metal and alkaine earth metal which provided colour
The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS 2 . This mineral''s metallic luster and pale brass-yellow hue have earned it the nickname fool''s gold b
physical properties
Directive effect in mono substituted benzene derivatives: The substituent previously present on the benzene ring directs the incoming substituent to inhabit ortho (2 or 6), met
CAN BOHR MODEL EXPLAIN THE SPECTRUM LINE OH HYDROGEN ATOM?
Which electronic configuration for oxygen is correct according to Hund's rule of multiplicity: (1) 1s 2 , 2s 2 , 2p 2 x , 2p 1 y , 2p 1 z (2) 1s 2
For the formation of covalent bond, the difference in the value of electron egativities should be: (1) Equal to or less than 1.7 (2) More than 1.7 (3) 1.7 or mor
Stearic effect - relative reactivity of aldehydes and keto The size of the alkyl group is much more than that of hydrogen. In aldehydes, there is one alkyl set although in keto
history and need of hofmann rearrangment
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