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Question
Which of the following elements can form metallic hydride(s)?
Which of the following elements can form metallic hydride(s)?
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Solution
The correct options are
A Palladium
B Chromium
Metals that belong to groups 7,8,9 do not form hydrides. So,this region is referred as hydrogen gap. Since iron and cobalt belong to group 8 and group 9 respectivley, they do not form metallic hydrides.
Only chromium in group 6 forms metal hydride.
Palladium belongs to group 10 and it forms metallic hydride. Palladium and Platinum are used as storage devices of hydrogen and catalysts because of their ability to accomdate large quantity of hydrogen on their surface.
A Palladium
B Chromium
Metals that belong to groups 7,8,9 do not form hydrides. So,this region is referred as hydrogen gap. Since iron and cobalt belong to group 8 and group 9 respectivley, they do not form metallic hydrides.
Only chromium in group 6 forms metal hydride.
Palladium belongs to group 10 and it forms metallic hydride. Palladium and Platinum are used as storage devices of hydrogen and catalysts because of their ability to accomdate large quantity of hydrogen on their surface.
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