Orbital having 3 angular nodes and 3 total nodes is:

1. 5 p 2. 3 d
3. 4 f 4. 6 d
Subtopic:  Nodal Plane |
 79%
Level 2: 60%+
NEET - 2019
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The number of hydrogen bonded water molecules(s) associated with \(\mathrm{C u S O_{4} . 5 H_{2} O}\) is:

1. 3 2. 1
3. 2 4. 5
Subtopic:  van der Waal Force & Hydrogen Bonding |
 51%
Level 3: 35%-60%
NEET - 2019
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Mark the reaction among the following that does not give benzoic acid as the major product:

1.   
2.
3.  
4.    
Subtopic:  Alcohols: Preparation & Properties |
 79%
Level 2: 60%+
NEET - 2019
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What is the correct order of electron gain enthalpy from least negative to most negative for the elements C, Ca, Al, F, and O?
1. Al < Ca < O < C < F
2. Al < O < C < Ca < F
3. C < F < O < Al < Ca
4. Ca < Al < C < O < F
Subtopic:  Electron Affinity (EA) |
 82%
Level 1: 80%+
NEET - 2013
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Aluminium chloride in acidified aqueous solution forms a complex 'A'.
The formula of A and hybridisation state of Al in 'A' is respectively:

1. [Al(H2O)6]3+, sp3d2

2. [Al(H2O)4]3+, sp3

3. [Al(H2O)4]3+, dsp2

4. [Al(H2O)]3+, d2sp3

Subtopic:  Boron Family- Preparations, Properties & Uses |
 79%
Level 2: 60%+
NEET - 2019
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Identify the correct formula of 'oleum' from the following
1. H2S2O7 2. H2SO3
3. H2SO4 4. H2S2O8
Subtopic:  Group 16 - Preparation, Properties & Uses |
 84%
Level 1: 80%+
NEET - 2019
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The product formed by the reaction of an aldehyde with a primary amine is:
1. Ketone
2. Carboxylic acid
3. Aromatic acid
4. Schiff base

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 84%
Level 1: 80%+
NEET - 2016
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An aqueous solution of NaOH has a molarity of 2 M and a density of 1.28 g cm⁻³.
Calculate the molality of the solution:
[Given: Molecular mass of NaOH = 40 g mol-1]

1. 1.20 m 2. 1.56 m
3. 1.67 m 4. 1.32 m
Subtopic:  Concentration Based Problem |
 74%
Level 2: 60%+
NEET - 2019
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The total number of \(\pi\)-bond electrons in the given below structure are:
1. Four (4) 2. Eight (8)
3. Twelve (12) 4. Sixteen (16)
Subtopic:  Hybridisation & Structure of Carbon Compounds |
 69%
Level 2: 60%+
NEET - 2015
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Which of the following oxoacids of phosphorus shows the strongest reducing property?

1. H4P2O7
2. H3PO3
3. H3PO2
4. H3PO4
Subtopic:  Group 15 - Preparation, Properties & Uses |
 65%
Level 2: 60%+
NEET - 2019
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