Identify the elements X and Y based on the given properties.

Element Properties

X Lustrous, brittle, conductor of heat and electricity

Y Lustrous, non-ductile, conductor of heat and electricity

X is sulphur; Y is iodine

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X is zinc; Y is mercury

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X is iron; Y is zinc

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X is graphite; Y is iron

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Solution

The correct option is B X is zinc; Y is mercury
Element Lustre Conduction of electricity Malleability Ductility

Iron Lustrous Conductor Malleable Ductile

Zinc Lustrous Conductor Non-malleable Non-ductile

Mercury Lustrous Conductor Non-malleable Non-ductile

Sulphur Non-lustrous Insulator Non-malleable Non-ductile

Iodine(I) Lustrous Insulator Non-malleable Non-ductile

Graphite Non-lustrous Conductor Non-malleable Non-ductile

By observing the table, it can be observed that the element X is zinc (a metal) as it is lustrous, brittle and a conductor of heat and electricity, and the element Y is mercury (a metal) as it too is lustrous but is non-ductile and a good conductor of heat and electricity.


Iron	Lustrous	Conductor	Malleable	Ductile
Zinc	Lustrous	Conductor	Non-malleable	Non-ductile
Mercury	Lustrous	Conductor	Non-malleable	Non-ductile
Sulphur	Non-lustrous	Insulator	Non-malleable	Non-ductile
Iodine(I)	Lustrous	Insulator	Non-malleable	Non-ductile
Graphite	Non-lustrous	Conductor	Non-malleable	Non-ductile

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Element	Properties
X	Lustrous, brittle, conductor of heat and electricity
Y	Lustrous, non-ductile, conductor of heat and electricity

Identify the elements X and Y based on the given properties. Element Properties X Lustrous, brittle, conductor of heat and electricity Y Lustrous, non-ductile, conductor of heat and electricity

Identify the elements X and Y based on the given properties.

Element Properties

X Lustrous, brittle, conductor of heat and electricity

Y Lustrous, non-ductile, conductor of heat and electricity