Question

In the given compound which act as acidic in nature but not gives proton-
(A)H3BO3 , (B)AlCl3 , (C)Both H3BO3 and AlCl3 ,(D)H2SO4

Answer 1

is the answer is c please tell me then i will give you explanation

Answer 2

BCl3 and AlCl3 are both Lewis acids and BCl3 is stronger than AlCl3 
B. BCl3 and AlCl3 are both Lewis acids and AlCl3 is stronger than BCl3 
C. BCl3 and AlCl3 are both equally strong Lewis acids 
D. Both BCl3 and AlCl3 are not Lewis acids 


11)

in borax bead test for quantitative analysis, which component of the bead rects with basic radical to form metaborate



A. Na2BO3 
B. B2O3 
C. Na2B4O7 
D. Na2B4O7 . 10H2O 


12)

sodium borate on on reaction with conc. H2SO4and C2H5OHgives a compound A which burns with a green flame. the compound A is



A. H2B4O7 
B. H3BO3 
C. (C2H5)2 B4O7 
D. (C2H5)3 BO3 


13)