Which of the following molecules represents the order of hybridisation from left to right atoms? [2018]

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Solution

Q.
Which of the following molecules represents the order of hybridisation $s p^{2}$ , $s p^{2}$ , $sp$ , $sp$ from left to right atoms [2018]

1 $HC \equiv C - C \equiv CH$

2 ${CH}_{2} = CH - C \equiv CH$

3 ${CH}_{2} = CH - CH = {CH}_{2}$

4 ${CH}_{3} - CH = CH - {CH}_{3}$

Ans.
(2)

$\overset{{sp}^{2}}{{CH}_{2}} = \overset{{sp}^{2}}{CH} - \overset{sp}{C} \equiv \overset{sp}{CH}$

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Solution

Q. Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left to right atoms [2018]

1 HC≡C-C≡CH

2 CH2=CH-C≡CH

3 CH2=CH-CH=CH2

4 CH3-CH=CH-CH3

Ans. (2) CH2sp2=CHsp2-Csp≡CHsp

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Q.
Which of the following molecules represents the order of hybridisation $s p^{2}$ , $s p^{2}$ , $sp$ , $sp$ from left to right atoms [2018]

1 $HC \equiv C - C \equiv CH$

2 ${CH}_{2} = CH - C \equiv CH$

3 ${CH}_{2} = CH - CH = {CH}_{2}$

4 ${CH}_{3} - CH = CH - {CH}_{3}$

Ans.
(2)

$\overset{{sp}^{2}}{{CH}_{2}} = \overset{{sp}^{2}}{CH} - \overset{sp}{C} \equiv \overset{sp}{CH}$