On the retirement of a partner from the partnership firm, the retiring partner's capital account will be credited with...............

His share of goodwill

The correct answer is option 1- His share of goodwill.

All other options are debited to the retiring partner's capital account.

The sum due to the retiring partner (in case of retirement) and to the legal representatives/ executors (in case of death) includes:
(i) credit balance of his capital account
(ii) credit balance of his current account (if any)
(iii) his share of goodwill
(iv) his share of accumulated profits (reserves)
(v) his share in the gain of revaluation of assets and liabilities
(vi) his share of profits up to the date of retirement/death
(vii) interest on his capital, if involved, up to the date of retirement/death
(viii) salary/commission, if any, due to him up to the date of retirement/death.

The following deductions, if any, may have to be made from his share:
(i) debit balance of his current account (if any)
(ii) his share of goodwill to be written off, if necessary
(iii) his share of accumulated losses
(iv) his share of loss on revaluation of assets and liabilities
(v) his share of loss up to the date of retirement/death
(vi) his drawings up to the date of retirement/death
(vii) interest on drawings, if involved, up to the date of retirement/death.