Relative stabilities of various alkenes represented as `R_(2)C=CR_(2), R_(2)C=CHR,RCH=CHR` (trans), `RCH=CHR (cis)` are in the increasing order

The order of stability of the alkenes underset(I)(R_(2)C=CR_(2)') underset(II)(R_(2)C=CHR), underset(III)(R_(2)C=CH_(2)')underset(IV) (RCH=CHR,) "and" underset(V)(RCH=CH_(2)) is -

The order of stability of the alkenes underset(I)(R_(2)C=CR_(2)') underset(II)(R_(2)C=CHE) underset(III)(R_(2)C=CH_(2)')underset(IV)(RCH=CHR,) "and" underset(V)(RCH=CH_(2)) is -

The order of stability of the alkenes underset(I)(R_(2)C=CR_(2)') underset(II)(R_(2)C=CHE) underset(III)(R_(2)C=CH_(2)')underset(IV)(RCH=CHR,) "and" underset(V)(RCH=CH_(2)) is -

The reagent/s required for the conversion R_1 CH= CHR_2 to R_1 COOH + HOOCR_2 is (are):

The reagent/s required for the conversion R_1 CH= CHR_2 to R_1 COOH + HOOCR_2 is (are):

R-C-=N can be reduced to RCH_(2)NH using the reducing agent.

RCH_(2)CH_(2)-O-CH_(2)CH_(2)R on reaction with O_(2) gives :

R- C-=N can be reduced to RCH_2 NH_2 using the reducing agent.