Arrange the following in decreasing order:` CH_3CHO`, `CH_3COCH_3`, `HCHO`(reactivity towards nucleophile).

Arrange the following in decreasing order: HCOOH , CICH_2COOH , CH_3COOH (acidic strength).

Arrange the following in increasing order of reactivity towards aromatic nucleophilic substitution reaction.

Arrange the following in decreasing order of reactivity towards EAS (electrophilic aromatic substitution).

Arrange, the following in increasing order ofreactivity towards aromatic nucleophilic substitutionreaction:

Arrange the following in order of their increasing reactivity fowards HCN . CH_3 CHO, CH_3 COCH_3, HCHO_, C_2 H_3 COCH_3

S_N^1 reaction takes placed in two steps. The relative reactivity of an alkyl halide in S_N^1 reaction depends on the relative stability of carbocations formed by ionisation. Arrange the Following in decreasing order C_6H_5CH_2Br , C_6H_5CH(C_6H_5)Br , C_6H_5CH(CH_3)Br, C_6H_5C(CH_3)(C_6H_5)Br .

Arrange the following compounds in the increasing order of their boiling points. CH_3CHO, CH_3CH_2OH, CH_3OCH_3, CH_3CH_2CH_3

Which among the following give aldol condensation? CH_3-CHO