Which of the following is the weakest acid? What are the hybridizations of the c

Question

Which of the following is the weakest acid? What are the hybridizations of the carbon atoms numbered 1 and 2 respectively in the 4. Which of the following statements is M true about propyne, HOC-CH3? Which of the following statements is M true about propyne, HOC-CH3? It contains six sigma bonds. It contains three pi bonds. The H-C-H bond angle is about 109.5^degree The C-C-C bond angle is 180^degree The pi bond is weaker than the sigma bond. What two atomic orbitals or hybrid atomic orbitals overlap to from the carbon-carbon sigma bond sp^3 - sp^3 p-p sp^2 - sp^2 s-s sp-sp Which is the correct order of decreasing acidity in the following compounds? CH_3CH_3 CH_2 -CH_2 HC=CH A> C> B A> B> C C> B> A C> A> B B> A>C

Explanation / Answer

2)
I is weakest acid because anion formed after removing H+ is destabilised by +M effect of -OCH3
Answer: I

3)
1 forms 3 sigma bond. So it is SP2
2 forms 2 sigma bond. So it is SP
Answer: D

4)
Answer: B
It has only 2 pi bonds
rest all are correct

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