A tin chloride Q undergoes the following reactions (not balanced) Q + C l - → X Q + M e 3 N → Y Q + C u C l 2 → Z + C u C l X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds. Choose the correct option(s).

There is a coordinate bond in Y

The oxidation state of the central atom in Z is + 2

The central atom in Z has one lone pair of electrons

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The correct chemical formula of red lead is ${Pb}_{3} O_{4}$ .

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Important Questions on Metals and Non-metals

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Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

The mixture of three parts of concentrated

HCl

and one part of concentrated

{HNO}_{3}

is reacted with gold metal. The main products of reaction are

MEDIUM

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Which one of the following is the copper mine situated in Rajasthan?

HARD

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Which one of the following minerals is not used in making cement?

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

A tin chloride

Q

undergoes the following reactions (not balanced)

Q + C l^{-} \to X

Q + M e_{3} N \to Y

Q + C u C l_{2} \to Z + C u C l

X

is a monoanion having pyramidal geometry. Both

Y

and

Z

are neutral compounds. Choose the correct option(s).

HARD

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

A scarlet red compound

(A),

is treated with concentrated

{HNO}_{3}

to give a chocolate brown precipitate

(B) .

The precipitate is filtered, and the filtrate is neutralized with

NaOH

. Addition of

KI

to the resulting solution gives a yellow precipitate

(C) .

The precipitate

(B)

, on warming with concentrated

{HNO}_{3}

in the presence of

Mn {({NO}_{3})}_{2}

, produces a pink-coloured solution due to the formation of

(D) .

Identify

(A), (B), (C)

and

(D) .

Write the reaction sequence.

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Sugar of lead is

HARD

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

The correct chemical formula of red lead is:

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

For what purpose are the black diamonds used?

MEDIUM

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Represent the union of two sets by Venn diagram for each of the following.

$X = {x | x$ is a prime number between $80$ and $100}$

$Y = {y | y$ is an odd number between $90$ and $100}$

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Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Give uses of charcoal.

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

The metal that can be extracted from its oxide by reduction with carbon is:

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Lead pencil contains

HARD

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Predict the result of reacting

{Pb}_{3} O_{4}

with concentrated hydrochloric acid.

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Carbon acts as an abrasive and also as a lubricant.

MEDIUM

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Unstable lead compounds are

HARD

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Why is

{SnI}_{4}

an orange coloured solid when

{CCl}_{4}

and

{SiBr}_{4}

are colourless liquids?

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

${Pb}_{3} O_{4}$ is regarded as a compound oxide of $PbO$ and ${PbO}_{2}$ . How many parts of ${PbO}_{2}$ are present in it?

HARD

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

How would you make lead tetra acetate? What is its structure, and what is it used for?

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Select the group of oxides that cannot be reduced by carbon to give the respective metals.

EASY

Science>Chemistry>Metals and Non-metals>Some Important Metals and their Properties

Cotyledons are also called-

The correct chemical formula of red lead is Pb3O4.

Important Questions on Metals and Non-metals

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The correct chemical formula of red lead is ${Pb}_{3} O_{4}$ .