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Phosphine is used in...

Phosphine is used in

A

holme's signals

B

smoke screens

C

Both a. and b.

D

Neither a. nor b.

Text Solution

Verified by Experts

The correct Answer is:
C
The spontaneous combstion of phosphine is teachnically used in Holme's siganls . Containers containig calcium carbide carbide and calcium phosphie are pierced and thrown in the sea when the gases evolved burn ad serve as a single . It is also used inm smoke screens.
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Knowledge Check

  • Phosphine gas is

    A
    Acidic
    B
    Basic
    C
    Neutral
    D
    An oxidising agent

  • Which allotropic form of phosphorus is used in the preparation of phosphine ?

    A
    Red phosphorus
    B
    Black phosphorus
    C
    White phosphorus
    D
    Yellow phosphorus

  • When phosphine is passed through aqueous solution of copper sulphate, the product is

    A
    `[Cu(OH)_(2)]`
    B
    `Cu_(3)P_(2)`
    C
    `[Cu(PH_(3))_(4)]^(2+)`
    D
    `[Cu(PH_(3))_(2)]^(2+)`

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