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प्रश्न
Give the formula of the compound that would be formed by the combination of the following pair of elements:
K and H
उत्तर
KH
APPEARS IN
संबंधित प्रश्न
What type of chemical bond is formed between carbon and bromine?
Fill in the blank in the following sentence:
The number of single covalent bonds in C2H2 molecule are ...........
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
Give two general properties of ionic compounds and two those of covalent compounds.
State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
What is diamond? Of what substance is diamond made?
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
The electronic configurations of two elements A and B are given below:
| A | 2, 6 |
| B | 2, 8, 1 |
(a) What type of chemical bond is formed between the two atoms of A?
(b) What type of chemical bond will be formed between the atoms of A and B?
State the type of bonding in the following molecule.
Water
Draw all possile structural formulae of compound from their molecular formula given below.
C3H4
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
Explain the bonding in methane molecule using electron dot structure.
State the type of bond formed, and draw Lewis structure of water.
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compound?
Name two carbon compounds used in day-to-day life.
Cation is formed when ______.
"Carbon prefers to share its valence electrons with other atoms of carbon or with atoms of other elements rather than gaining or losing the valence electrons in order to attain noble gas configuration." Give reasons to justify this statement.
