an element x donates 2electeons to the element y and forms XY. The element x bonds with z and and forms xz3
1.write the valancies of x,y,z.
2.name the bond formed between x and y
Answers
Answer:
x and y 2 z 1
Explanation:
the bond formed between x and y is single bond
Answer:
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SELINA Solutions for Class 10 Chemistry Chapter 2 - Chemical Bonding
Chemistry is an important subject in ICSE Class 10, as the fundamentals studied now will also be helpful in the competitive exams like IIT-JEE and NEET. TopperLearning presents study materials for ICSE Class 10 Chemistry to help students to score well in the examination. All our study materials are created by subject experts and give basic insight on about how and what to prepare for the final exams.
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Chapter 2 - Chemical Bonding Exercise Ex. 2
Question 1
Define a coordinate bond and give conditions for its formation.
Solution 1
The bond formed between two atoms by sharing a pair of electrons, provided entirely by one of the combining atoms but shared by both is called a coordinate bond. It is represented by an arrow starting from the donor atoms and ending in the acceptor atom.
Conditions:
1. One of the two atoms must have at least one lone pair of electrons.
2. Another atom should be short of at least a lone pair of electrons.
The two lone pair of electrons in the oxygen atom of water is used to form coordinate bond with the hydrogen ion which is short of an electron resulting in the formation of the hydronium ion.
H2O + H+ Selina Solutions Icse Class 10 Chemistry Chapter - Chemical BondingH3O+ Over here the hydrogen ion accepts one lone pair of electrons of the oxygen atom of water molecule leading to the formation of a coordinate covalent bond.