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प्रश्न
Name the element whose one of the allotropic forms is buckminsterfullerene.
उत्तर
Carbon has buckminsterfullerene as one of its allotropes.
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संबंधित प्रश्न
Why covalent compounds are different from ionic compounds?
Ethane, with the molecular formula C2H6 has ______.
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
What type of bond exist in CCl4?
What is graphite?
The molecules having triple bond in them are:
(a) oxygen and ethyne
(b) carbon dioxide and ammonia
(c) methane and ethene
(d) nitrogen and ethyne
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State the type of bonding in the following molecule.
Methane
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
Give two example in following case:
Gaseous polar compounds
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methane
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
State the type of bond formed when the combining atom has small E.N. difference.
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
From the following hydrocarbon _______ is the cyclic hydrocarbon.
Write a short note.
Characteristics of carbon
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
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Give an example for each of the following statement.
A compound in which three covalent bonds are formed.
Name the following:
\[\ce{CH3 - CH2CH = CH2}\]