A student was given a mixture of sulphur and iron filings. He was told to heat the mixture and observe. What will be the colour of the compound formed?

By Team Aakash Byju's | 27th January 2023

The correct answer is B) Black.

[{"selector":"#anim-1b4dd308-504a-4dd8-b53d-ddff5622cadc","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c5b1330f-c120-42ab-946c-bf6f940640ea","keyframes":{"transform":["translate3d(-163.74502%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bada0da5-bc93-4f96-948f-7ddb9611763f","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b410f47b-7306-4d53-8cb3-657d0a4638c5","keyframes":{"transform":["translate3d(-123.71795%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Detailed Explanation Arrow

Iron is a metal with the symbol Fe and its atomic number is 26.

[{"selector":"#anim-394b89cd-c838-44b1-ae0d-41458da459a4","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-22da0314-40af-417c-aa16-5509d29f3c0b","keyframes":{"transform":["translate3d(-118.78981%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Sulphur is a non-metal with an atomic number of 16.

[{"selector":"#anim-963c4d94-069e-4b9a-95fa-d98bb26e7a55","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bfc6b745-eba9-4f2b-a373-e41ae85f9c7e","keyframes":{"transform":["translate3d(-118.78981%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

When sulphur and iron filings are heated together, Iron sulphide is formed.

[{"selector":"#anim-20fa7557-6abb-416d-b8df-442e4a2db24e","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c2cfdff2-6c61-4056-8aa1-8e4bbd81ab75","keyframes":{"transform":["translate3d(-118.78981%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

The chemical reaction can be represented as,

[{"selector":"#anim-75427ad9-2835-4e11-82dd-c9ee23c8a98d","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-14f489fa-1639-4753-bd12-8f43bcc0ca2e","keyframes":{"transform":["translate3d(-120.38217%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b589f37a-6cf5-4568-989d-58ca00a0a192","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0d636e59-6fa9-4a59-9d56-dfe5e769f13c","keyframes":{"transform":["translate3d(-125.16854%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2e3dfac2-b4e1-447c-b1dd-243d146713c6","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-81620bb7-7c39-4922-967c-8ab4f3f913af","keyframes":{"transform":["translate3d(-133.75797%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a1b3b307-87da-4378-9981-10c65826cf76","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cc62dbf9-cc83-4407-a3c8-c5a6926c1462","keyframes":{"transform":["translate3d(-129.61784%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Iron sulphide is a black-coloured compound.

[{"selector":"#anim-61918e85-af17-4499-ab63-6ddf628c37d3","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1ac589b1-9380-41ad-b7e4-615d891f1251","keyframes":{"transform":["translate3d(-120.06369%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Read More Stories

[{"selector":"#anim-cd82c731-336c-48b1-9e4d-f33a20da2477","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4e4d3098-3239-4aa4-86cb-87281f468235","keyframes":{"transform":["translate3d(-139.16668%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0c5df551-1384-4b1e-a8a0-64ec89a71c91","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e10491b3-60ac-4165-90bf-98d4a1146766","keyframes":{"transform":["translate3d(-157.54718%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3366f42b-ee5b-45a3-95dc-c4f47c5b21f9","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6ee9f453-ddac-4314-95bb-b95304aacbe6","keyframes":{"transform":["translate3d(163.55930%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b8b62337-635e-4fa1-a165-6af4dd667976","keyframes":{"opacity":[0,1]},"delay":150,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2385a75f-b744-4536-8552-24c3b771ab15","keyframes":{"transform":["translate3d(165.78950%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":150,"duration":2000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The D and F Block Elements Structure of Beryllium Chloride in Different Phase

A student was given a mixture of sulphur and iron filings. He was told to heat the mixture and observe. What will be the colour of the compound formed?

A

B

C

D

Red

Black

Orange

Blue