bewellplus.gsu.edu
Cruea368 Cruea368
  • 13-04-2015
  • Chemistry
Answered

Which compound of an element in period 3 reacts with water to form a solution with a pH greater than 7?

ASiO2
BSiCl4
CNaCl
DNa2O

Verified Answer :

Nekoneko
Nekoneko Nekoneko
  • 13-04-2015

The answer is D. Nasub(2)O. 
Nasub(2)O + H2O --> 2 NaOH 
Nasub(2)O solution has pH much higher than 7 

Answer Link

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