Which of the following compounds will have an atom with a molecular geometry that is described as trigonal planar with respect to other atoms present?
i. $B F_{3}$
ii. $C H_{2} = C H_{2}$
iii. cyclopropane

i only

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ii only

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iii only

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i and ii only

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i, ii, and iii

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Solution

The correct option is D i and ii only
i. $B F_{3}$ and ii. $C H_{2} = C H_{2}$ will have an atom with a molecular geometry that is described as trigonal planar with respect to other atoms present.
The central atom in these compounds is $s p^{2}$ hybridised as it has 3 bond pairs and 0 lone pairs of electrons.

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Q. Statement I : Ammonia has a trigonal pyramidal molecular geometry.
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C H_{3} - C H_{2} - O H

C H_{3} - C H_{2} - \oplus O H_{2}

C H_{3} - O - C H_{3}

I

I I

I I I

The order that has the following compounds correctly arranged with respect to increasing acidity is:

Arrange the following compounds in decreasing order of reactivity with Br2

CH2=CH2 (I), CH ≡ CH (II), CH2=CHCl (III)

Arrange the following compounds in decreasing order of reactivity with $B r_{2}$

$C H_{2} = C H_{2} (I), C H \equiv C H (I I), C H_{2} = C H C l (I I I)$

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Which of the following compounds will have an atom with a molecular geometry that is described as trigonal planar with respect to other atoms present?i. BF3ii. CH2=CH2iii. cyclopropane

The correct option is D i and ii onlyi.BF3 and ii. CH2=CH2 will have an atom with a molecular geometry that is described as trigonal planar with respect to other atoms present.The central atom in these compounds is sp2 hybridised as it has 3 bond pairs and 0 lone pairs of electrons.

Which of the following compounds will have an atom with a molecular geometry that is described as trigonal planar with respect to other atoms present?
i. $B F_{3}$
ii. $C H_{2} = C H_{2}$
iii. cyclopropane