Question

When you add water to sulfur dioxide and put a blue litmus paper in it, why does it

turn red?​

Answer 1

Answer:

Sulphur Dioxide is acidic in nature as it is oxide of a non metal. So when we add it in water it ions get disassociate and as it is a acidic it turns blue litmus red.

Hope it helps you.

Answer 2

Explanation:

• sᴜʟᴘʜᴜʀ ᴅɪᴏxɪᴅᴇ ʀᴇᴀᴄᴛs ᴛᴏ ᴛʜᴇ ᴀᴅᴅɪᴛɪᴏɴ ᴏғ ᴡᴀᴛᴇʀ,ʙᴇᴄᴏᴍɪɴɢ ᴀᴄɪᴅɪᴄ,ᴛʜᴀᴛ ɪs ᴀɴ ᴀᴄɪᴅ sᴏʟᴜᴛɪᴏɴ,ɪᴛ ɪs ᴛʜᴇɴ ᴄᴏʀʀᴇᴄᴛʟʏ ɴᴀᴍᴇs sᴜʟᴘʜᴜʀɪᴄ ᴀᴄɪᴅ.ɪᴛ ᴡɪʟʟ ᴄʜᴀɴɢᴇ ᴛʜᴇ ʙʟᴜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ ᴛᴏ ʀᴇᴅ,ʙᴜᴛ ɪғ ᴛʜᴇ ʟɪᴛᴍᴜs ᴘᴀᴘᴇʀ ɪs ʀᴇᴅ ᴛᴏ ʙᴇɢɪɴ ᴡɪᴛʜ,ᴛʜᴇ ᴄᴏʟᴏᴜʀ ᴅᴏᴇs ɴᴏᴛ ᴄʜᴀɴɢᴇ.