Question

Give reason (a) H2O is liquid but H2S is gas.
(b) cu​+​​ is Diamagnetic.

Answer 1

(a) H2O is liquid while H2S is gas at room temperature because in H2O hydrogen bonding is present whiel in H2S hydrogen bonding is not present.

(b) there are no unpaired electrons it's completely filled d-orbital, so the Cu+ compounds are diamagnetic and colourless.

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