Assertion (A): Sigma (\(\sigma\)) bond is strong, while pi (\(\pi\)) bond is weak.
Reason (R): Atoms rotate freely about pi (\(\pi\)) bond.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Types of Chemical Bond |
 71%
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Match List I with List II:
List I List II
A. Ionic I. NH3.BF3
B. Covalent II. HCl
C. Hydrogen bond III. LiF
D. Coordinate bond IV. HF

Choose the correct answer from the options given below:

1.  A - (II); B - (III); C - (IV); D - (I)
2.  A - (III); B - (II); C - (I); D - (IV)
3.  A - (III); B - (II); C - (IV); D - (I)
4.  A - (II); B - (III); C - (I); D - (IV)
Subtopic:  van der Waal Force & Hydrogen Bonding | Resonance & Nature of Compounds |
 61%
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The molecules that have an overall permanent dipole moment among the following is/are: 
(A) CO2
(B) H2O
(C) NH3
1. A and C only 2. C and B only
3. A, B, and C 4. None of them

Subtopic:  Polarity |
 84%
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Which one of the following statements is true about the structure of \(CO^{2-}_3\) ion?

1. It can be explained by considering sp3 hybridization.
2. Out of the three C–O bonds, two are longer and one is shorter.
3. It has three Sigma and three \(\pi\)-bonds.
4. All three C–O bonds are equal in length with a bond order in between 1 and 2.
Subtopic:  Resonance & Nature of Compounds |
 52%
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NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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From the following, the incorrect assertion with respect to dipole moments of the species given is: 
1. \(CH_3Cl > CHCl_3 \)
2. \(CH_2Cl_2 = CCl_4 \)
3. \(NH_3 > NF_3 \)
4. \(BF_3 = CO_2 \)
Subtopic:  Polarity |
 62%
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The shape of \(XeF^+_5 \) will be 
1. Square pyramidal 
2. Square planar 
3. Trigonal bipyramidal 
4. Octahedral 
Subtopic:  Hybridisation |
 70%
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Identify the incorrect statements, regarding the molecule XeO4:
1. XeO4 molecule is square planar
2. There are four p\(\pi\) – d\(\pi\) bonds
3. There are four sp3 – p, \(\sigma\) bonds
4. XeO4 molecule is tetrahedral
Subtopic:  V.S.E.P.R & V.B.T |
 67%
From NCERT
NEET - 2013
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In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic?
1. \(O_{2}\rightarrow O_{2}^{+} \)
2. \(C_{2}\rightarrow C_{2}^{+} \)
3. \(NO\rightarrow NO^{+} \)
4. \(N_{2}\rightarrow N_{2}^{+} \)
Subtopic:  M.O.T |
 72%
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NEET - 2013
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Resonance is not shown by-
1. \(C_6 H_6\)
2. \(CO_2\)
3. \(CO_3^{2-}\)
4. \(SiO_2\)
Subtopic:  Resonance & Nature of Compounds |
 59%
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Correct Lewis structure of the nitrite ion, \(NO_{2}^{-}\) among the following is:

1. 2.
3. 4. None of the above
Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
 79%
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NEET 2023 - Target Batch - Aryan Raj Singh
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