05/08/2014 03:24 BST | Updated 05/08/2014 03:59 BST

5 Things Alex Salmond Should Ask Alistair Darling In Tonight's Debate

Oli Scarff via Getty Images
LONDON, ENGLAND - APRIL 08: Chancellor of the Exchequer Alistair Darling speaks during the Labour party's first press conference of the election campaign in Westminster on April 8, 2010 in London, England. Prime Minister Gordon Brown was joined by Business Secretary Lord Mandelson and Chancellor of the Exchequer Alistair Darling to deconstruct the Conservatives' economic plans which they described as having 'the strength of a house of cards'. (Photo by Oli Scarff/Getty Images)

Alex Salmond and Alistair Darling will clash tonight over Scottish independence for a two-hour lived televised debate on the Scottish STV channel.

Some are billing it as the most important TV debate in British history, due to the union being at stake, as the pair argue over whether Scotland would be better off as an independent nation or remaining part of the United Kingdom.

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Salmond is widely expected to triumph tonight due to his populist rhetorical style and extensive debating experience. But he will have to ensure he does not get the carpet pulled out from beneath him by his softly spoken rival.

As we look forward to the debate, here are five questions Salmond could put to Darling that could expose the pro-unionist argument live on Scottish television.

Photo gallery 5 Questions Salmond Should Ask Darling In Tonight's STV Debate See Gallery