The non -existant metal carbonyl among the following is `

Most unstable metal carbonyl among the following is

Most unstable metal carbonyl among the following is

A non metallic oxide among the following is-

Pick out the mononuclear carbonyl among the following

Liquid non-metal among the following

In metal carbonyls, there is -

In metal carbonyls, there is -

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents ?

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?