WB JEE 2022 | Chemical Bonding Question 6 | Chemistry

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WB JEE 2022

MCQ (Single Correct Answer)

-0.25

The correct bond order of B-F bond in BF₃ molecule is :

$$1{1 \over 2}$$

$$1{1 \over 3}$$

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

The H₃O⁺ ions has the following shape

tetrahedral

pyramidal

triangular planar

"T" shaped

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

Bond order of He₂, $$He_2^ + $$ and $$He_2^{2 + }$$ are respectively

1, $${1 \over 2}$$, 0

0, $${1 \over 2}$$, 1

$${1 \over 2}$$, 1, 0

1, 0, $${1 \over 2}$$

WB JEE 2020

MCQ (Single Correct Answer)

-0.5

A homonuclear diatomic gas molecule shows 2-electron magnetic moment. The one-electron and two-electron reduced species obtained from above gas molecule can act as both oxidising and reducing agents. When the gas molecule is one-electron oxidised the bond length decreases compared to the neutral molecule. The gas molecule is

N₂

Cl₂

O₂

B₂

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