Sunday 17 January 2016

Trend in reducing power of Hydrogen halide


**HCl doesn’t have enough reducing power to reduce conc. H2SO4 Acid.

** HBr & HI have enough reducing power to reduce concentrated H2SO4 further .

** HI is a stronger reducing agent than HBr since HI reduce the sulphur in H2SO4             from +6 to -2 whereas HBr reduces sulphur from +6 to +4 .


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2 comments:

  1. Unknown19 November 2018 at 22:21

    can u explain why reducing power increases down the group

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  2. Unknown19 November 2018 at 22:23

    its cool found answer on quora
    ‘HI' is the strongest reducing agent as HI can lose its ‘H’atom easily than other compounds. Because the the bond length increases and the attractive forces decrease,so HI is the strongest reducing agent.

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