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Standard XII

Chemistry

Reaction with Metals

An element "M...

Question

An element "M" can exist as both $M C l_{2}$ and $M C l_{4}$ . When $17.70 g$ of $M C l_{2}$ is reacted with excess chlorine, $24.8 g$ of $M C l_{4}$ is produced.
Identify the unknown element "M".

G a

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B

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P b

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V

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Solution

The correct option is C $P b$

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Similar questions

Element M forms a chloride with the formula $M C l_{2}$ which is a solid with high melting point. What type of bond is in $M C l_{2} .$ Write the formula of the compound when M combines with sulphur, oxygen and nitrogen.

M C l_{4} h e a t - - \to Z n

Purple colour compound (Colourless (A)
liquid)

M =

Transition metal

↓ M o i s t

air
(B)
White fumes
Identify (A), (B) and

M C l_{4}

. Also explain colour difference between

M C l_{4}

and (A).

Q. For a tetrahedral complex

{[{M C l}_{4}]}^{2 -}

, the spin-only magnetic moment is

3.83

BM. The element

M

is:

Q. An aqueous solution of

{M C l}_{2}

containing excess

K C N

, when treated with

H_{2} S

will precipitate

M S

, only if

M

is _________ .

25 g

M {C l}_{4}

contains

0.5

mole chlorine then its molecular weight is:

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An element "M" can exist as both MCl2 and MCl4. When 17.70 g of MCl2 is reacted with excess chlorine, 24.8 g of MCl4 is produced.Identify the unknown element "M".

The correct option is C Pb

An element "M" can exist as both $M C l_{2}$ and $M C l_{4}$ . When $17.70 g$ of $M C l_{2}$ is reacted with excess chlorine, $24.8 g$ of $M C l_{4}$ is produced.
Identify the unknown element "M".

The correct option is C $P b$