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CBSE

Chemistry

NEET Chemistry : Chemical Bonding and Molecular Structure

221.

The BCl₃, is a planar molecule where as NCl₃, is pyramidal. because

222.

Which of the following option w.r.t. increasing bond order is correct ?

223.

The state of hybridization of the central atom and the number of lone pairs over the central atom in POCl₃
are:

224.

Cold ferrous sulphate solution on absorption of NO develops brown colour due to the formation of

225.

The correct order of decreasing length of the bond as indicated by the arrow in the following structures is

226.

The compound that will have a permanent dipole moment among the following is

227.

Assertion: Sigma ( $σ$ ) is a strong bond, while pi ( $π$ ) is a weak bond.
Reason: Atoms rotate freely about the pi ( $π$ ) bond.

If both assertion and reason are true and the reason is a correct explanation of the assertion.
If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
If the assertion is true but the reason is false.
If both the assertion and reason are false.

228.

The correct order of decreasing H-C-H angle in the following molecule is

229.

The electronic configuration is 1s² 2s² 2p⁵ 3s¹ shows

230.

Assertion : B₂H₆, Si₂H₆, are said to have similar structure.

Reason : They have same number of $σ$ and $π$ bonds.

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
If Assertion is true but Reason is false.
If Assertion is false but Reason is true.

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