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Chemical Bonding-Covalent Bonding [AIIMS (All India Institute of Medical Sciences) Chemistry]: Questions 1 - 5 of 9

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Question 1

Question MCQ▾

The molecules that will have dipole moment are

(1) trans-2-pentene

(2) cis-3-Hexene

(3) 2,2-Dimethylpropane

(4) Tetramethylbutane

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

1 and 2 are correct

c.

1 and 3 are correct

d.

2 and 4 are correct

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Question 2

Question MCQ▾

Which of the following statement is incorrect?

Choices

Choice (4)Response

a.

and are isoelectronic

b.

The bonding orbitals in a trigonal bipyramidal molecule are described as hybrid

c.

Non-bonding pairs occupy more space than bonding pairs

d.

has linear shape

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Question 3

Question MCQ▾

Which is not true according to VBT?

Choices

Choice (4)Response

a.

Overlapping takes place only in the direction of maximum electron density of the orbital

b.

The greater the extent of overlapping the stronger is the bond

c.

A covalent bond is formed by the overlapping of orbitals with unpaired electrons of opposite spins.

d.

A covalent bond is formed by the overlapping of orbitals with unpaired electrons of same spin

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Question 4

Question MCQ▾

bond in undergoes heterolytic fission, the hybridisation of carbon is/are -

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 5

Question MCQ▾

Which of the following has pyramidal shape?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit