Question

The group of compounds will dissociate partly, a)Hcl and Hno3 b)carbonic acid and phosphoric acid c)Hno3 and critic acid​

Answer 1

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☞ᴛʜᴇ ɢʀᴏᴜᴘ ᴏғ ᴄᴏᴍᴘᴏᴜɴᴅs ᴡʜɪᴄʜ ᴅɪssᴏᴄɪᴀᴛᴇs ᴘᴀʀᴛɪᴀʟʟʏ ɪɴ ᴀϙ. sᴏʟᴜᴛɪᴏɴs ᴀʀᴇ ᴄᴀʀʙᴏɴɪᴄ ᴀᴄɪᴅ$(ʜ_2 ᴄᴏ_3)$ ᴀɴᴅ ᴘʜᴏsᴘʜᴏʀɪᴄ ᴀᴄɪᴅ$(ʜ_3ᴘᴏ_4 )$ ʙᴇᴄᴀᴜsᴇ ᴛʜᴇsᴇ ᴄᴏᴍᴘᴏᴜɴᴅs ᴅᴏ ɴᴏᴛ ᴅɪssᴏᴄɪᴀᴛᴇs ᴄᴏᴍᴘʟᴇᴛᴇʟʏ. ᴛʜᴇɪʀ ᴅɪssᴏᴄɪᴀᴛɪᴏɴ ɪs ᴀs ғᴏʟʟᴏᴡs-:

• $H_2CO_3{\implies}H^+ +HCO_3 ^-$

(Partially dissociated)

• $H_3PO_4{\implies}H^+ +HPO_4 ^-$

(Partially dissociated)

Rest all given compounds dissociates completely.

Option B is correct.

Answer 2

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☞ᴛʜᴇ ɢʀᴏᴜᴘ ᴏғ ᴄᴏᴍᴘᴏᴜɴᴅs ᴡʜɪᴄʜ ᴅɪssᴏᴄɪᴀᴛᴇs ᴘᴀʀᴛɪᴀʟʟʏ ɪɴ ᴀϙ. sᴏʟᴜᴛɪᴏɴs ᴀʀᴇ ᴄᴀʀʙᴏɴɪᴄ ᴀᴄɪᴅ$(ʜ_2 ᴄᴏ_3)$ ᴀɴᴅ ᴘʜᴏsᴘʜᴏʀɪᴄ ᴀᴄɪᴅ$(ʜ_3ᴘᴏ_4 )$ ʙᴇᴄᴀᴜsᴇ ᴛʜᴇsᴇ ᴄᴏᴍᴘᴏᴜɴᴅs ᴅᴏ ɴᴏᴛ ᴅɪssᴏᴄɪᴀᴛᴇs ᴄᴏᴍᴘʟᴇᴛᴇʟʏ. ᴛʜᴇɪʀ ᴅɪssᴏᴄɪᴀᴛɪᴏɴ ɪs ᴀs ғᴏʟʟᴏᴡs-:

• $H_2CO_3{\implies}H^+ +HCO_3 ^-$

(Partially dissociated)

• $H_3PO_4{\implies}H^+ +HPO_4 ^-$

(Partially dissociated)

Rest all given compounds dissociates completely.

Option B is correct.