Chemical Bonding and Molecular Structure Chemical Bonding and Molecular Structure Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

If an extra electron is added to the hypothetical molecule C₂, this extra electron will occupy the molecular orbital:

1.	$\pi_{2p}$*	2.	$\pi_{2p}$
3.	$\sigma_{2p}$*	4.	$\sigma_{2p}$

Subtopic: M.O.T |

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Q2:

The bond order and magnetic behaviour exhibited by $\text C_2$ molecule are:

1.	3 and paramagnetic	2.	2 and paramagnetic
3.	3 and diamagnetic	4.	2 and diamagnetic

Subtopic: M.O.T |

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Q3:

If the electronic configuration of an element is $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{2} 4 s^{2}$ , the four electrons that participate in the chemical bond formation will be from :

1.	$3 p^{6}$	2.	$3 p^{6}, 4 s^{2}$
3.	$3 p^{6}, 3 d^{2}$	4.	$3 d^{2}, 4 s^{2}$

Subtopic: Covalent Bond |

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Q4:

Given below are two statements:

Assertion (A):	Sodium chloride, formed by the action of chlorine gas on sodium metal, is a stable compound.
Reason (R):	Sodium and chloride ions acquire octets in sodium chloride formation.

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.	(A) is False but (R) is True.

Subtopic: Ionic Bond |

84%

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Q5:

Shape of $OF_2 $ molecule is:
1. Bent
2. Linear
3. Tetrahedral
4. T-Shaped

Subtopic: V.S.E.P.R & V.B.T |

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Q6:

Which species adheres to the octet rule for the central atom?

1. XeF₄
2. SF₄
3. SiF₄
4. [ClF₄]⁻

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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Q7:

The significance of the octet rule is:

1. To determine the stability of atoms.
2. To find the hybridization of elements.
3. To calculate the number of lone pairs.
4. None of the above.