White phosphorous reacts with calcium to form a certain compound which on hydrolysis produces

1. PH3

2. H3PO4

3. P4O6

4. P4O10

Subtopic:  Group 15 - Preparation, Properties & Uses |
 59%
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Hints

Which of the following pairs of molecules have the almost identical bond dissociation energy?

1. F2 and H2

2. N2 and CO

3. F2 and I2

4. HF and O2

Subtopic:  Group 17 - Preparation, Properties & Uses |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Ammonia on reaction with excess of chlorine gives

1. NCl3 and HCl

2. N2 and NH4Cl

3. NCl3 and NH4Cl

4. N2 and HCl

Subtopic:  Group 15 - Preparation, Properties & Uses |
 56%
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Hints

Match the interhalogen compounds of Column I with the geometry in Column II and assign the correct code.

Column I             Column II
A. XX'                 (i) T-shape
B. XX'3               (ii) Pentagonal bipyramidal
C. XX'5               (iii) Linear
D. XX'7                (iv) Square-pyramidal
                           (v) Tetrahedral

The correct match among the following is -
       A   B    C    D
1.   (iii) (iv) (i) (ii)

2.   (iii) (i) (iv) (ii)

3.   (v) (iv) (iii) (ii)

4.   (iv) (iii) (ii) (i)

Subtopic:  Interhalogen Compounds |
 80%
From NCERT
NEET - 2017
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NEET 2023 - Target Batch - Aryan Raj Singh

In which pair of ions both the species contain S-S bond?

(a) S2O72-, S2O32-
(b) S4O62-, S2O32-
(c) S2O72-, S2O82-
(d) S4O62-, S2O72-

Subtopic:  Group 16 - Preparation, Properties & Uses |
 70%
NEET - 2017
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Hints

AlF3 is soluble in HF only in presence of KF. It is due to the formation of
(1) K3[AIF3H3]

(2) K3[AIF6]

(3) AlH3

(4) K[AIF3H]

Subtopic:  Group 17 - Preparation, Properties & Uses |
 81%
NEET - 2016
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Hints

Hot concentrated sulphuric acid is a moderately strong oxidising agent. Which of the following reaction doe not show oxidising behaviour?

(a) Cu + 2H2SO4 CuSO4 + SO2 + 2H2O

(b) 3S + 2H2SO4 3SO2 + 2H2O

(c) C + 2H2SO4 CO2 + 2SO2 + 2H2O

(d) CaF2 + H2SO4 CaSO4 + 2HF

Subtopic:  Group 16 - Preparation, Properties & Uses |
 74%
NEET - 2016
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Hints

Among the following, which one is a wrong statement?

(1) PH5 and BiCl5 do not exist

(2) ρp-dp bonds are present in SO2

(3) SeF4 and CH4 have same shape

(4) I3+ has bent geometry

Subtopic:  Group 17 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
 60%
NEET - 2016
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Copper on heating with concentrated HNO3 produces:

1. Cu(NO3)2 and NO       

2. Cu(NO3)2, NO and NO2

3. Cu(NO3)2 and N2O       

4. Cu(NO3)2 and NO2

Subtopic:  Group 15 - Preparation, Properties & Uses |
 68%
From NCERT
NEET - 2016
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Links
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Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option.

Column I     Column II
A. XeF6        1. Distorted octahedral
B. XeO      2. Square planar
C. XeOF    3. Pyramidal
D. XeF4       4. Square pyramidal

Codes
A B C D
(a) 1 2 4 3
(b) 4 3 1 2
(c) 4 1 2 3
(d) 1 3 4 2

Subtopic:  Group 18 - Preparation, Properties & Uses |
 76%
From NCERT
NEET - 2019
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Hints
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NEET 2023 - Target Batch - Aryan Raj Singh