A compound that gives propyne on hydrolysis is -

1. Al4C3

2. Mg2C3

3. B4C

4. La4C3

Subtopic:  Compounds of Carbon, Preparations, Properties & Uses |
 63%
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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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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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Mellitic acid is formed by the oxidation of graphite with -

1. Chromic acid

2. Alkaline KMnO4

3. Fuming HNO3

4. dil. HNO3

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The most volatile compound among the following is -

1.  CH4

2.  SiH4

3.  GeH4

4.  SnH4

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 64%
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The coordination number of Al in aluminates, is-

1. 3 2. 6
3. 1 4. 4
Subtopic:  Boron Family- Preparations, Properties & Uses |
 66%
From NCERT
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A mixed oxide compound among the following is -

1.  PbO2

2.  SnO2

3.  Pb2O3

4.  Pb3O4

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 59%
From NCERT
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Select the correct statement(s) regarding the following reaction sequence:

 
   

1.  The compound (A) is CH32SiCl2

2.  The compound D is SiC

3.  The compound (B) is CH32SiOH2

4.  All of the above

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 88%
From NCERT
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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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A strong oxidizing agent among the following is -

1.  Tl3+

2.  Ga3+

3.  ln3+

4.  Al3+

Subtopic:  Boron Family- Preparations, Properties & Uses |
 76%
From NCERT
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