Which of the following order is correct regarding acidic character of hydrocarbons given below?
I. `CH-=CH gt CH_(2) gt CH_(3)-CH_(3)`
II. `HC-=CH gt CH_(3)C-= CH gt gt CH_(3)C-=C CH_(3)`

Which of the following is the correct orderr of acidity of carboxylic acids? (i) Cl_(3) C C OOH gt Cl_(2)CHCOOH gt ClCH_(2)COOH (ii) CH_(3)CH_(2)COOH gt (CH_(3))_(2)CHCOOH gt (CH_(3))_(3)C COOH (iii) F_(2)CHCOOH gt FCH_(2)COOH gt ClCH_(2)COOH

Which of the following order is correct regarding stability (I) CH_3 - CH = C = CH-CH_3 (II) CH_3 - CH = CH -CH = CH_2 (III) CH_2 = CH - CH_2 - CH =CH_2

The order of +I effect is: (CH_(3))C gt (CH_(3))_(2) CH gt CH_(3)CH_(2) gt CH_(3)

In which of the following compounds corban atom undergoes hybridisation of more than one type (i) CH_(3) CH_(2)CH_(2)CH_(3) (ii) CH_(3) - CH = CH - CH_(3) (iii) CH_(2) = CH - CH_(2) - CH_(3) (iv) H - C -= C - H