Question

C 3.
Coving tour of a coloured cloth.
Which of the following statements about carbon is incorrect?
a) It has four electrons in the valence shell.
b) The four valencies of carbon do not lie in a plane.
c) The angle between any two adjacent valencies is 1090-28'.
d) Three valencies of carbon are inclined to one another at an angle of 120° while the fourth is
perpendicular to the plane containing the remaining three valencies.​

Answer 1

Explanation:

Anjali : Srijal jaa tu jaake padh le iss jiya ne meri mood ki band baja di...

kal ayenge iss id pe bahut achaa mood tha but ab nhi hai byee..

_________________

Anjali and Srijal here

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Answer 2

Answer:

Which of the following is a noble gas configuration?

a) 1s2 2s2

b) 1s2 2s2 2p6

c) 1s2 2s2 2p6 3s2

d) 1s2 2s2 2p6 3s2 3p6 3d10

Question 2

Which of the following statements regarding carbon is incorrect?

a) A single atom of carbon can participate in two double bonds

b) A single atom of carbon can participate in three single bonds and one double bond

c) A single atom of carbon can participate in four single bonds

d) A single atom of carbon can participate in two single bonds and one double bond

Question 3

How many types of molecular orbital are there?

a) 1

b) 2

c) 3

d) 4

Question 4

Which of the following is a non-