Answer:
The rhyme scheme is ABBAACCA DDEFFE.
It is an ITALIAN SONNET.
Step-by-step explanation:
The stated sonnet is written by Dante Gabriel Rossetti titled "The House of Life: 19. Silent Night." The sonnet is divided into stanzas one with 8 lines (octave) and second with six lines (sestet).
Rossetti has used the Italian or the Petrarchan form to write this sonnet. The sonnets were developed by Giacomo da Lentini, an Italian poet of the 13th century. Petrarchan sonnet were developed by Petrarchan in the 14th century.
The structure of the Italian Sonnet is formed with an octave succeeded by a sestet. The rhyme scheme of an octave is ABBAABBA and the rhyme scheme of the sestet is not fixed it can be CDDCDD, CDDECE, etc.
The rhyme scheme of the given sonnet is unconventional to the traditional sonnet but has used the structure of Italian Sonnet.
In the given sonnet the rhyme scheme is ABBAACCA DDEFFE.