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CBSE

Chemistry

NEET Chemistry : Chemical Bonding and Molecular Structure

161.

The number of $σ$ - and $π$ -bonds present in pent-4-ene-1-yne is

162.

During the formation of a chemical bond :

163.

The M - O- M bond angles in MO (where M is halogen) is in the order

164.

The molecules having the same hybridization, shape and number of lone pairs of electrons are

165.

The geometry of methane molecule is :

166.

The basic structural. unit and its geometry in silicates is :

167.

Assertion : H₂S is less acidic than H₂Te.

Reason : Te has larger, radius than S.

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 both assertion and reason are false.

168.

Assertion : Bond energy and bond dissociation energy have identical value for diatomic molecules.

Reason : Greater the bond dissociation energy, less reactive is the bond.

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 both assertion and reason are false.

169.

Assertion : R₃P=O exists but R₃N=O does not exist.

Reason : P is more electronegative than N.

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 both assertion and reason are false.

170.

KF combines with HF to form KHF₂. This compound contains the species

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