Based on the following informations arrange four metals, \( A, B, C \) and \( D \) in order of i...

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Based on the following informations arrange four metals, \( A, B, C \) and \( D \) in order of increasing ability to act as reducing agents :
(I) Only \( \mathrm{C} \) react with \( 1 \mathrm{MCl} \) to give \( \mathrm{H}_{2}(g) \)
(II) When \( A \) is added to solution of the other metal ions, metallic \( D \) is formed but not \( B \) or \( C \)
(a) \( DACB \)
(b) \( ADCB \)
(c) \( BDAC \)
(d) \( DABC \)
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