Question

What is the colour of gas evolved when lead nitrate has been heated in the test

tube​

Answer 1

When lead nitrate is heated strongly, NO2 and O2 are given out. In this decomposition reaction, the colourless compound lead nitrate forms a yellow compound, lead monoxide, and brown fumes of nitrogen dioxide gas are evolved.

Answer 2

Answer:

$\huge\bf\star\fbox\red{Question:-}$

What is the colour of gas evolved when lead nitrate has been heated in the test tube

Explanation:

$\huge\star\underbrace{\mathtt\red{⫷❥ᴀ᭄} \mathtt\green{n~ }\mathtt\blue{ §} \mathtt\purple{₩}\mathtt\orange{Σ} \mathtt\pink{R⫸}}\star\:⋆</p><p>⫷❥ᴀ᭄n §₩ΣR⫸$

$\huge\bold\pink\bigstar{Answer}$

THE COLOUR WHEN THE LEAD NITRAL CRYTALS WERE HEATED VERY STRONGLY AT A VERY HIGH TEMPERATURE A REDDISH GAS THAT IS OF BROWN COLOUR IS RELEASED

${\huge \fbox \pink {A}\fbox \blue {n} \fbox \purple {s} \fbox \green{w} \fbox \red {e} \fbox \orange {r}}$

NOTE

THE GAS IS NITROGEN DIOXIDE.

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THE STRONG HEATING IS A CRUMPLE WITH A VERY VERY UNPLEASENT SOUND(CRACKING SOUND)

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REDDISH BROWN RESIDUE IS LEFT ON COLLING THE RESIDUE CHANGE TO YELLOW AND STAIN THE WALL OF THE TEST TUBE

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HENCE AS NOW U KNOW RIGHT ANS IS

REDDISH BROWN

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HOPE IT HELPS TO U

THANKS

REGARDS