Tin dissolves in concentrated and dil. H2SO4 as well as HNO3. Which of the following is not the exact product of this process?

1.  SnSO4

2.  SnSO42

3.  SnNO33

4.  H2SnO3  

Subtopic:  Properties of Glass, Pb & Sn compounds |
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NEET 2023 - Target Batch - Aryan Raj Singh
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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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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Incorrect option about 2-D sheet silicates is

1.  Two O-atoms of each tetrahedron are shared

2.  General formula is Si2O5n2n-

3.  Co-ordination number of Si is 4

4.  Number of O-atoms per tetrahedra unit is 52

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Colemanite mineral is

1.  Ca2B6O115H2O

2.  CaB4O7.NaBO28H2O

3.  2Mg3B8O15MgCl2

4.  Ca2B6O11.3H2O

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
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Hydrolysis of SiF4 gives a compound, in which maximum coordination number of Si is

1.  6

2.  4

3.  8

4.  7

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 60%
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Hints

H2C2O4ΔGas(A)+Gas(B)+liquid(C).

Gas (A) burns with blue flame and it oxidised to (B)
Gas(A)+CI2(D) NH3,(E)

A, B, C and E are respectively

1.  CO, CO2, COCl2 and HCONH2

2.  CO, CO2, H2O, COCl2

3.  CO2, CO, H2O, HCONH2

4.  CO, CO2, H2O, NH2CONH2

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 50%
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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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Borazine is called inorganic benzene. It has a ring structure with alternate BH and NH groups. Which of the following statements is not correct about borazine?

1.  Each B and N atom is sp2 hybridized

2.  Borazine satisfies the (4n + 2)π electrons Huckel's rule

3.  Like organic benzene, borazine does not give addition product with HCI

4.  Borazine contains dative pπ - pπ bond

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 63%
From NCERT
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The incorrect statement for orthoboric acid is

1.  It can not be titrated satisfactorily with NaOH, as a sharp endpoint is not obtain

2.  The acidity of its aqueous solution increases upon addition of ethylene glycol

3.  It is a weak electrolyte in water

4.  It has a three-dimensional structure due to hydrogen bonding

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
From NCERT
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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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Links
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