Which of the following overlops is incorrect (assuming Z axis internuclear axis)?

(A) 2py +2pyπBond formation        (B) 2px+2pxσBond formation

(C) 3dxy+3dxyπ Bond formation        (D) 2s+2pyπBond formation

(E)3dxy+3dxyδBond formation             (F)2pz+2pzσ Bond formation

(a) A,B,C                      (b) C,F

(c) B,E                         (D) B,C,D

Subtopic:  Types of Chemical Bond |
 57%
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How many sigma bonds are in a molecule of diethyl ether, C2H5OC2H5

1. 14         

2. 12         

3. 8         

4. 16

Subtopic:  Types of Chemical Bond |
 80%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following species has a zero dipole moment?

(i) CO2 (ii) COCl2 (iii) CH2 Cl2 (iv) BCl3

1. (i) and (iv)  2. (ii) and (iv) 
3. (iii) and (iv)  4. (i), (iii) and (iv) 

Subtopic:  Polarity |
 65%
From NCERT
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The correct statement about carbene (CH2) is:

(1) In singlet carbene, carbon is sp2-hybridized whereas in triplet carbene, carbon is sp-hybridized

(2) Triplet carbene is less stable than singlet carbene

(3) Stability of halocarbenes is: CHF>CHCL>CHBr

(4) None of the above

Subtopic:  Types of Chemical Bond | Covalent Bond |
 54%
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Which of the following is a pair of polar molecules:

1. CO2 and H2O

2. BF3 and PCl3

3. SO2 and SCl2

4. CS2 and SO3

Subtopic:  Polarity |
 68%
From NCERT
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In which molecule does the chlorine atom has positive partial charge? 

(1) HCl

(2) BrCl 

(3) OCl2

(4) SCl2

Subtopic:  Covalent Bond |
 76%
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The incorrect order of lattice energy among the following set is:

1. AlF3>MgF2         

2. Li3N>Li2O

3. NaCl>LiF           

4. TiC>ScN

Subtopic:  Lattice & Hydration Energy |
 64%
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Which of the following set of species have planar structures?

(a) I3-, CH3, CLO3-, SiF62-

(b) I3+, ICl4-, Al2Cl6, TeCl4

(c) SCl2, N2O5, SF4,XeOF4

(d) I2Cl6, XeF2, BrF4-

Subtopic:  Hybridisation |
 51%
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Both NSiH33 and NHSiH32compounds have trigonal planer skeleton. Incorrect statement about both compound is :

(1) SiNSi bond angle in NHSiH32 > SiNSi bond angle in NSiH33

(2) N-Si bond length in NHSiH32>N-Si bond length in NSiH33

(3) N-Si bond length in NHSiH32<N-Si bond length in NSiH33

(4) Back bonding strength in NHSiH32> Back bonding strength in NSiH33

Subtopic:  Types of Chemical Bond |
 51%
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Which ionic compound has the largest amount of lattice energy?

(a) NaF                      (b)AlF3 
 (c)AIN                       (d)MgF2

Subtopic:  Lattice & Hydration Energy |
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