Arrange the following elements in increasing order of their melting...

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Arrange the following elements in increasing order of their melting point?
\( \mathrm{V}, \mathrm{Cr}, \mathrm{Mn} \) and \( \mathrm{Fe} \)
(a) \( \mathrm{Cr}\mathrm{V}\mathrm{Fe}\mathrm{Mn} \)
(b) \( \mathrm{Cr}\mathrm{Fe}\mathrm{V}\mathrm{Mn} \)
(c) \( \mathrm{V}\mathrm{Cr}\mathrm{Mn}\mathrm{Fe} \)
(d) \( \mathrm{V}\mathrm{Cr}\mathrm{Fe}\mathrm{Mn} \)
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