An amphoteric  oxide among the following is-

1. CO2

2. CO

3. SnO2

4. CaO

Subtopic:  Properties of Glass, Pb & Sn compounds |
 82%
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The products formed on heating Pb(NO3)2 are -

1. PbO, N2, O2

2. Pb(NO2 )2, O2

3. PbO, NO2, O2

4. Pb, N2, O2

Subtopic:  Properties of Glass, Pb & Sn compounds |
 78%
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The incorrect statement among the following is -

1. PbX2 is more stable than PbX4

2. PbCl4 is less stable than SnCl4 but PbCl2 is more stable than SnCl2

3. PbCl4 is less stable than SnCl4

4. Pb(II) is a good reducing agent while Sn(II) is not

Subtopic:  Properties of Glass, Pb & Sn compounds |
 78%
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Death due to gunshot is caused by poisoning of:

1.  Hg

2.  Pb

3.  Fe

4.  As

Subtopic:  Properties of Glass, Pb & Sn compounds |
 77%
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The most characteristic oxidation state for lead and tin is, respectively,:

1. +4, +2

2. +2, +4

3. +4, +4

4. +2, +2

Subtopic:  Properties of Glass, Pb & Sn compounds |
 75%
From NCERT
AIPMT - 2007
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A species among the following that decomposes easily is: -

1. \(\mathrm{Pbl}_2 \) 2. \(\mathrm{Pbl}_4 \)
3. \(\mathrm{PbCH}_3 \mathrm{COO}_4 \) 4. \(\mathrm{PbCl}_2\)
Subtopic:  Properties of Glass, Pb & Sn compounds |
 71%
From NCERT
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When SnCl2 reacts with HgCl2, the product formed is-

1. Sn+HgCl4

2. Sn+Cl2+Hg2Cl2

3. SnCl4 and Hg2Cl2

4. None of the above

Subtopic:  Properties of Glass, Pb & Sn compounds |
 70%
From NCERT
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Litharge is not commonly used in:

1. Manufacture of special glasses

2. Glazing pottery

3. Preparing paints

4. Lead storage battery

Subtopic:  Properties of Glass, Pb & Sn compounds |
 58%
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Sn crumbles to a powder in very cold weather, due to –

1. Expansion of the crystal lattice

2. Formation of SnO at low temperature

3. The conversion of Sn to powdery meta stannic acid

4. The transition from white tin to grey form, that is amorphous

Subtopic:  Properties of Glass, Pb & Sn compounds |
 57%
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The soldiers of the Napolean army while at the Alps during freezing winter suffered a serious problem with regards to the tin buttons of their uniforms. White Metallic tin buttons get converted to grey powder. This transformation is related to-

1. An interaction with water vapour contained in humid air

2. A change in the crystalline structure of tin

3. A change in the partial pressure of O2 in the air

4. An interaction with N2 of air at low temperature

Subtopic:  Properties of Glass, Pb & Sn compounds |
 58%
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