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Highest covalent character is found in:
(a1 CaF2
(2) CaCl2
(3) CaBr2
(4) Cal2
Ans: Cal2
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
Lowest sum rule - iupac system of nomenclature previously it may be noted that, the numbering of the parent chain consisting of two or more substituents was done in such a way
what is the principle of EDTA titration?
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons or a
what is the m.p naphthalene,ammonia oxalate,citric acid ,naphthyl acetic acid
Amongst the following covalent bonding is found in: (1) Sodium chloride (2) Magnesium chloride (3) Water (4) Brass Ans: Water
Q. Show the basic stucture of Esters? Ans. Esters have the general formula RCOOR'. Both R and R' are alkyl groups. Esters have the ester functional group: Anima
#quest defination ,description prostulates
Ask questionfreezing point as exemple of colligative propertiy. #Minimum 100 words accepted#
A red flame is produced when LiCl is heated. How can I determine which transition between the energy levels produces this colour?
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