wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which of the following statements is/are true for 13th and 14th group elements?

A
Orthoboric acid is a weak monobasic Lewis acid.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Boron and silicon can form stable B3+ and Si4+ ions respectively.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Aluminium is the most electro-positive element in the third group of periodic table.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Silicon exhibits very high tendency to form pπpπ and dπpπ multiple bonds.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct options are
A Orthoboric acid is a weak monobasic Lewis acid.
C Aluminium is the most electro-positive element in the third group of periodic table.
D Silicon exhibits very high tendency to form pπpπ and dπpπ multiple bonds.
A) Orthoboric acid (H3BO3) is a Lewis acid. It is a weak monobasic acid.
B) The formation of B3+ and Si4+ ions are very difficult due to very large ionization energy. Hence, ionic compounds of boron and silicon are rare.
C) In the third group, the reduction potential is most negative (-1.66 V) for aluminum. Hence, it is the most electro-positive element.
D) Silicon forms pπdπ multiple bonds.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Acids and Bases
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon