P block 7

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

H4B2O6 + H2O

Back (Answer)

B is in +4 state! when it is in more than the needed OS, there is a peroxide linkage! and when there is a peroxide linkage, H2O2 is formedthereforeH3BO3 + H2O2

Front (Question)

the only boron halidw which doesnt forms HX on hydrolysis

Back (Answer)

BF3 doesnt foroms HF ! instead it forms HBF4 + H3BO3

Front (Question)

CO2 in water forms

Back (Answer)

H2CO3

Front (Question)

SiO2 (amorphous) in water

Back (Answer)

Si(OH)4 ——-> H2SiO3

Front (Question)

NF3 with water gets no reaction! why?

Back (Answer)

cuz no empty orbitals for H2O

Front (Question)

N2O4 in water

Back (Answer)

disproportionate reaction HNO2 + HNO3

Front (Question)

PCl3 in water

Back (Answer)

H3PO3

Front (Question)

HOCl with Water

Back (Answer)

OCl^-1

Front (Question)

PCl5 with water

Back (Answer)

H3PO4

#10

Front (Question)

P4O7 with Water

Back (Answer)

H3PO4 + H3PO4

#11

Front (Question)

P4O8 with water

Back (Answer)

H3PO4 + H3PO4

#12

Front (Question)

P4O9 with Water

Back (Answer)

H3PO3 + H3PO4

#13

Front (Question)

SO2 + H2O

Back (Answer)

H2SO3

#14

Front (Question)

SO3 + H2O

Back (Answer)

H2SO4

#15

Front (Question)

SOCl2 + H2O

Back (Answer)

H2SO4 + HCl

#16

Front (Question)

SF6 doesnt reacts with water! why?

Back (Answer)

no space for water to enter! too much steric hinderence! there fore hydrolysis of high Atm number elements hydrides is simpler

#17

Front (Question)

H2S2O5 + H2O

Back (Answer)

H2S2O3

#18

Front (Question)

H2S2O6 + H2O

Back (Answer)

H2SO4

#19

Front (Question)

H2S2O7 + H2O

Back (Answer)

H2SO4

#20

Front (Question)

H2SO4 + H2O2

Back (Answer)

H2S2O8

#21

Front (Question)

SiF4 + H2O

Back (Answer)

HSiF4

#22

Front (Question)

SbCl3 + H2O

Back (Answer)

SbOCl

#23

Front (Question)

BiCl3 + H2O

Back (Answer)

BiOCl

#24

Front (Question)

treated with CO2 forms

Back (Answer)