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प्रश्न
The solid element A exhibits the property of catenation. It is also present in the form of a gas B in the air which is utilised by plants in photosynthesis. An allotrope C of this element is used in glass cutters.
(a) What is element A?
(b) What is the gas B?
(c) Name the allotrope C.
(d) State another use of allotrope C (other than in glass cutters).
(e) Name another allotrope of element A which exists as spherical molecules.
(f) Name a yet another allotrope of element A which conduct electricity.
उत्तर
(a) Carbon is the element A which exhibits the property of catenation.
(b) Carbon dioxide is the gas B which is utilised by the plants for photosynthesis.
(c) Diamond is the allotrope C of carbon which is used in glass cutters.
(d) Diamond is used in making jewellery.
(e) Buckminsterfullerene is an allotrope of carbon which exists as spherical molecules.
(f) Graphite is another allotrope of carbon which conducts electricity.
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संबंधित प्रश्न
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Fill in the following blank with suitable word:
CnH2n is the general formula of .......... hydrocarbons.
Give the name and structural formula of one member each of the following:
alkyne
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(a) two
(b) five
(c) three
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if B is an open chain compound
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The functional group which always occurs in the middle of a carbon chain is:
(a) alcohol group
(b) aldehyde group
(c) carboxyl group
(d) ketone group
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Which molecular formula can represent an aldehyde as well as a ketone? Write the names and structural formulae of the aldehyde and ketone represented by this molecular formula.
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