Assertion :A nonpolar molecule can have polar bonds.
Reason: Polar bonds can be symmetrically arranged in a molecule so that there are no net poles.

Both assertion and reason are correct and reason is the correct explanation for assertion

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Both assertion and reason are correct but reason is not the correct explanation for assertion

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Assertion is correct but reason is incorrect

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Both assertion and reason are incorrect

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Solution

The correct option is A Both assertion and reason are correct and reason is the correct explanation for assertion
Let us take an example:
The geometry of a silicon tetrachloride ($SiCl_4$) molecule is tetrahedral. The molecule consists of a central $S i$ atom, which has a coordination number of 4. Four chloride ( $C l$ ) atoms can bond to $S i$ . When they do, they assume a geometry around the $S i$ , in such a way as to put maximum distance between themselves/each other, and minimize repulsion. This results in a tetrahedral configuration. Therefore, the molecule has no net dipole moment.They all sort of cancel each other out. So, a nonpolar molecule can have polar bonds, but due to symmetry in the molecule, there are no net poles.

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Assertion (A) Boiling points of alcohols and ethers are high.
Reason (R) They can form intermolecular hydrogen-bonding.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Rate constant determined from Arrhenius equation are fairly accurate for simple as well as complex molecules.

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Assertion :A nonpolar molecule can have polar bonds. Reason: Polar bonds can be symmetrically arranged in a molecule so that there are no net poles.

Assertion :A nonpolar molecule can have polar bonds.
Reason: Polar bonds can be symmetrically arranged in a molecule so that there are no net poles.