The bond angle in ethylene is $............$ $^o$.

For the reaction $CH_3-CH=CH_2 + HOCl \to A$,the product $A$ is:

Which of the following alkenes will give $CH_3CH_2CHO$ and $CH_3COCH_3$ upon ozonolysis?

The action of water in the presence of sulphuric acid on the following alkenes gives:
$(i)$ $CH_3-CH=C(CH_3)_2$
(ii) $CH_3-CH=CH_2$

For which of the following reactions is the anti-Markovnikov addition most suitable?

$Ph-CH_2-CH(Br)-CH_2-CH_3 \xrightarrow{NaNH_2} (A)$
Total number of elimination products are (includes stereoisomers):