Question

2.
S.No.
Using Symbols
4r +7
Write the following phrases using symbols.
Using Words
(a)
7 more than 4 times r
(b)
4 times the sum of y and 7
(c)
Thrice the number x increased by y
(d) 5 times the number n minus four
(e) 25 decreased by 4 times a
(f) 6 times a less than the quotient of b by 4
The square of the sum of a and b​

Answer 1

In ethylene, the carbon atom is sp

2

hybridized.

In acetylene, the carbon atom is sp hybridized.

The energy level diagrams of ethylene and acetylene are shown below.