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प्रश्न
Name the anion present in the following compound:
When a barium chloride solution is added to a solution of compound B, a white precipitate insoluble in dilute hydrochloric acid is formed.
उत्तर
SO42−
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संबंधित प्रश्न
Write any three features and give two examples of covalent compounds
Fill in the blank in the following sentence:
Two atoms of the same element combine to form a molecule. The bond between them is known as ................ bond.
Why is diamond used for making cutting tools (like glass cutters) but graphite is not?
Why are covalent compounds generally poor conductors of electricity?
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
Distinguish between ionic and covalent compounds under the following properties:
(i) Strength of forces between constituent elements
(ii) Solubility of compounds in water
(iii) Electrical conduction in substances
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methane
Draw all possile structural formulae of compound from their molecular formula given below.
C4H10
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
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
