NEET Polarity Practice Questions With Solutions

NEET Chemistry Polarity Practice Questions

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Question 1.

Which of the following molecules has "NON ZERO" dipole moment value?

A\(\mathrm{CCl_4}\)

B\(\mathrm{HI}\)

C\(\mathrm{CO_2}\)

D\(\mathrm{BF}_3\)

Question 2.

Which one of the following statements is correct?

ABF₃ has non-zero dipole moment.

BThe dipole moment of NF₃ is greater than that of NH₃.

CThree canonical forms can be drawn for \(\text{CO}_3^{2-}\) ion.

DThree resonance structures can be drawn for ozone.

Question 3.

The correct order of dipole moments for molecules \(NH_3, H_2S , CH_4 \) and \(HF\) is :

A\(CH_4>H_2S>NH_3>HF \)

B\(H_2S>NH_3>HF>CH_4 \)

C\(NH_3>HF>CH_4>H_2~S \)

D\(HF>NH_3>H_2S>CH_4\)

Question 4.

Which molecule among the following is non-polar?

ASbCl₅

BNO₂

CPOCl₃

DCH₂O

Question 5.

Which of the following set of molecules will have zero dipole moment?

ABoron trifluoride, hydrogen fluoride, carbon dioxide, 1 3-dichlorobenzene

BNitrogen trifluoride, beryllium difluoride, water, 1 3 -dichlorobenzene

CBoron trifluoride, beryllium difluoride, carbon dioxide, 1 4-dichlorobenzene

DAmmonia, beryllium difluoride, water, 1, 4-dichlorobenzene

Question 6.

Arrange the following species in increasing order of their dipole moments:
NH₃,NF₃,BF₃,H₂O

A

N H_{3} < B F_{3} < N F_{3} < H_{2} O

B

B F_{3} < N F_{3} < N H_{3} < H_{2} O

C

B F_{3} < N H_{3} < N F_{3} < H_{2} O

D

H_{2} O < N F_{3} < N H_{3} < B F_{3}

Question 7.

The correct order of ionic character among CaH₂, BeH₂ and BaH₂ is:

A

{BeH}_{2} < {CaH}_{2} < {BaH}_{2}

B

{CaH}_{2} < {BeH}_{2} < {BaH}_{2}

C

{BeH}_{2} < {BaH}_{2} < {CaH}_{2}

D

{BaH}_{2} < {BeH}_{2} < {CaH}_{2}

Question 8.

A molecule among the following that has the maximum dipole moment is:

A\(\mathrm{CO_2}\)

B\(\mathrm{CH_4}\)

C\(\mathrm{NH_3}\)

D\(\mathrm{NF_3}\)

Question 9.

Which of the following is a polar molecule?

ASF₄

BSiF₄

CXeF₄

DBF₃

Question 10.

Which of the following would have a permanent dipole moment?

ABF₃

BSF₄

CSiF₄

DXeF₄

Question 1.

H₂O is dipolar, whereas BeF₂ is not. It is because:

AH₂O involves hydrogen bonding whereas BeF₂ is a discrete molecule.

BH₂O is linear and BeF₂ is angular.

CH₂O is angular and BeF₂ is linear.

DThe electronegativity of F is greater than that of O

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NEET Polarity Practice Questions With Solutions

NEET Chemistry Polarity Practice Questions

Question 1.

Question 2.

Question 3.

Question 4.

Question 5.

Question 6.

Question 7.

Question 8.

Question 9.

Question 10.

Question 1.

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