Geometrical isomerism

Considering $\ce{LiBH4}$ reduces an ester group to the corresponding alcohol and does not reduce a carboxylic acid group, the correct statement about the major products P, Q, R and S is

The number of isomeric tetraenes (NOT containing $sp$-hybridized carbon atoms) that can be formed from the following reaction sequence is ________.

Amongst the following, the major product of the given chemical reaction is

Among the following structures, which will show the most stable enamine formation ?

(Where Me is $-\mathrm{CH_3}$)

Total number of possible stereoisomers of dimethyl cyclopentane is ______.

Total number of isomers (including stereoisomers) obtained on monochlorination of methylcyclohexane is ______.

Given below are two statements.

Statement I: The compound (A) shown, a carbon bearing NO$_2$, H, a (Z)-prop-1-enyl group and an (E)-prop-1-enyl group, is optically active.

Statement II: The second compound shown is mirror image of above compound A.

In the light of the above statement, choose the most appropriate answer from the options given below.

Total number of isomers, considering both structural and stereoisomers, of cyclic ethers with the molecular formula $\ce{C4H8O}$ is ______

For the given compound X, the total number of optically active stereoisomers is ____.

In the following structure, the double bonds are marked as I, II, III and IV

Geometrical isomerism is not possible at site (s) :

Which of the following compounds will exhibit geometrical isomerism ?

The product X is

The reagent needed for converting $\ce{Ph-C#C-Ph}$ into trans-stilbene ($\ce{PhCH=CHPh}$, the two Ph groups on opposite sides of the double bond) is :

The total number of alkenes possible by dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic KOH is

The correct statement(s) about the compound $\ce{H3C(HO)HC-CH=CH-CH(OH)CH3}$ (X) is(are)

The total number of cyclic structural as well as stereo isomers possible for a compound with the molecular formula $\ce{C5H10}$ is

The correct statement(s) concerning the structures E, F and G is (are)

The structure of compound I is