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Q. Show the Multiple covalent bonds between electron pairs?
Ans.
Two atoms may share one electron pair, two electron pairs or three electron pairs. The bonds formed in this way are called a single bond, a double bond or a triple bond. The following diagram shows the electron dot structures for double and triple bonds:
A shared electron pair is also known as a bond pair. Other non-bonding electron pairs in the outermost shells are called lone pairs. The bond pairs and lone pairs can be shown as follows:
Nuclei contain uncharged neutrons and positively charged protons; these two particles with about the same mass are known as nucleons. The number of protons is the atomic number of
What is Frenkel defect A pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure. Such a pair of vacant sites is called Schottky
Explain Arhenious theory with utility and limitation?
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What are the effects on transport number?
Q. Describe the ion exchange process of softening hard water. What are its advantages? Ans. Determination of ion exchange or Deionization process: In this pro
Which orbital is dumb-bell shaped : (1) s -orbital (2) p -orbital (3) d -orbital (4)f -orbital Ans: p -orbital
names for : A , B , C , D , E , F ,..........., X , Y , Z .
convert benzene to benzaldehyde
The correct sequence of increasing covalent character is represented by: (1) LiCl 2 (2) BaCl 2 (3) NaCl 2
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